Serial number
equipment name
Specifications, inquiry questions
unit
Quantity
1
Real Time Clock
Specification: 400×600
Piece
1
2
Phantom imaging technology
Specifications: 400 × 600, phantom imaging technology is a three-dimensional image that uses the principle of interference and diffraction to record and reproduce objects. It is a 3D technology that does not require glasses.
Piece
1
3
Round seventeen equal parts
Specification: 400×600. In 1796, the mathematics prince Gauss discovered a method of using a ruler and a compass as a regular seventeen-sided (a halving of a circle), and solved a history of more than 2,000 years. Mathematical case!
Piece
1
4
Reading carousel
Specifications: 400 × 600, after the study of psychologists, the retention time of short-term memory is only 5-20 seconds without repeating, and the longest is no more than 1 minute. Short-term memory requires retelling to enhance memory. The reading carousel is designed according to this principle.
Piece
1
5
Passing through the wall
Specification: 400×600, each end of the cylinder is covered with a polarizing film. Their polarization directions are perpendicular to each other, so that the light cannot pass at the junction, and it looks like a black “partition wallâ€; rotating disc, small ball You are free to go back and forth through the "black wall."
Piece
1
6
Flickering
Specification: 400×600. Using the principle that the polarizing plate only allows the light of one transverse vibration direction to pass, and rotating one of the polarizing plates, it will be found that the image behind the other polarizing plate will be flickering.
Piece
1
7
Laser communication
Specifications: 400 × 600, drive laser circuit, music circuit, code decoding circuit, power amplifier circuit and other normal work. The music is loaded into the laser by means of code modulation and transmitted, and the laser receiver decodes the music in the laser and plays it through the power amplifier circuit.
Piece
1
8
Magnetic damping ring
Specification: 400×600, observe the characteristics of the damper pendulum, explore the causes, and further understand the interaction between electricity and magnetism.
Piece
1
9
Optical turntable
Specifications: 400 × 600, due to the persistence of the human eye, allowing the observer to see the different results of the color mixing of the various pattern turntables during rapid rotation.
Piece
1
10
Photovoltaic disk
Specification: 400×600, using micro-current boost technology to make the photoelectric plate center generate a safe high voltage, and ionize the gas molecules to excite the fluorescent material to produce intermittent color arc.
Piece
1
11
music fountain
Specifications: 400 × 600, the color of the light shines on the water column of the fountain, colorful and with the rhythm of the music, fluttering up and down. Dancing to create a wonderful musical fountain effect!
Piece
1
12
Pythagorean law
Specification: 400×600, using the volume relationship of the cube, it is derived that the square of the hypotenuse of the right triangle is equal to the sum of the squares of the right side.
Piece
1
13
Centrifugal phenomenon
Specification: 400×600, elastic steel belt is installed on the shaft of the center motor. When the shaft rotates, the middle part of the steel strip is bent outward due to the centrifugal phenomenon.
Piece
1
14
Rotating flower
Specifications: 400 × 600, the petals are closed at the beginning, when the flower rotates, the petals gradually bloom due to the centrifugal force.
Piece
1
15
Shadowless lamp
Specifications: 400 × 600, function: explore the working mechanism of the shadowless lamp, and further understand the principle of shadow formation. Cultivate students' phenomenology.
Piece
1
16
Strobe wheel inverted wheel
Specifications: 400 × 600, function: to explore the law of motion of objects in the stroboscopic environment, learn to explain the phenomenon of runners seen in life.
Piece
1
17
Super capacitor
Specifications: 400 × 600, function: explore the difference and advantages of ordinary capacitors and super capacitors, understand the working principle of new energy electric vehicles.
Piece
1
18
Human body power generation
Specification: 400×600, function: Exploring the factors related to the power generation capacity of the human body and the zinc-copper battery, and cultivating students' innovative ability.
Piece
1
19
Digital poetry
Specification: 400×600, Function: Exploring the statistical law of the emergence of wonderful words in Song dynasty, learning to study literary works by means of technology.
Piece
1
20
Deceptive carousel
Specifications: 400 × 600, Function: Explore the secrets of this experimental turntable, and further understand the meaning of the periodic function.
Piece
1
twenty one
HD pixel
Specifications: 400 × 600, Function: Explore the relationship between pixels and image clarity, and understand the superiority of HDTV and high-pixel cameras.
Piece
1
twenty two
89 or 52
Specification: 400×600, Function: Understand the physical principle of color filter, explore the physical mechanism of color blindness and color weakness, and cultivate students' ability to explain daily life phenomena by means of physical experiments.
Piece
1
twenty three
Maglev train
Specifications: 400 × 600, Function: Deep understanding of the nature of the magnet, explore the working principle of the maglev train. Develop students' operational skills.
Piece
1
twenty four
Braille experience
Specifications: 400 × 600, Function: Exploring the coding rules of Braille, causing students to care for the disabled.
Piece
1
25
Sun and moon track
Specifications: 400 × 600,
Piece
1
26
Drunk driving
Specifications: 400 × 600, Function: Explore the mathematical principles of the drunk driving game. Promote the science of staying away from drunk driving.
Piece
1
27
Bird into the cage
Specifications: 400 × 600, Function: Using the control variable method to explore the relationship between the occurrence of visual persistence and the screen rotation time. Develop students' experimental ability.
Piece
1
28
Zhong Cai Tips
Three questions
Specifications: 400×600, Function: Explore the probability of “three-door†winning, further understand the concept of probability, and cultivate students' ability to use probabilities to solve practical problems.
Piece
29
Area change
Specifications: 400 × 600, Function: Explore the changes in the area of ​​different combinations of triangles, deeply understand the calculation of the area of ​​the triangle, and cultivate students with fine observation ability.
Piece
1
30
Color shadow
Specifications: 400 × 600, function: Explore the formation mechanism of colored shadows, and further understand the principle of shadow formation. Get rid of superstitious thoughts.
Piece
31
Voice chip
Specifications: 400 × 600, function: through different speeds, different capacity experiments, explore the performance of the voice module and the working principle of the circuit. Train students' ability to design experimental protocols.
Piece
1
32
Uncertain earthquake
Specification: 400×600
Piece
1
33
Human body conduction
Specification: 400×600, function: Explore the series-parallel law of human body resistance, and then deeply understand the series-parallel law of resistors.
Piece
1
34
Calculate the surname
Specifications: 400 × 600, Function: Deep understanding of the relationship between binary numbers and decimal, revealing the principle of deceiving people on the street, and raising students' awareness of science.
Piece
35
Upside down
Specifications: 400 × 600,
Piece
1
36
Three-dimensional carving
Specification: 400×600, Function: Explore the relationship between information recognition and information flow density. Develop students' observation and imagination skills.
Piece
1
37
True and False "Lanting Collection"
Specification: 400×600, function: Appreciate and observe the similarities and differences between true and false calligraphy works, and cultivate students' observation ability.
Piece
1
38
Home circuit
Specifications: 400 × 600, function: Explore the composition of the home lighting circuit, understand the knowledge of household electricity safety.
Piece
39
People turn around
Specification: 400×600, Function: Explore the imaging law of concave mirror. Explain the phenomenon.
Piece
1
40
Stripe animation Mohs interference
Specification: 400×600, Function: Exploring the principle of stripe animation and explaining the disappearance of the foreground caused by the principle of visual rear image.
Piece
1
41
Magnetic damping pendulum
Specifications: 400 × 600,
Function: Observe the characteristics of the damper pendulum, explore its causes, and further understand the interaction between electricity and magnetism.
Piece
1
42
Electromagnetic power generation
Specifications: 400 × 600, Function: Exploring the generator's power generation capacity is related to those factors. Train students to use the control variable method for scientific inquiry.
Piece
1
43
Light tunnel
Specifications: 400 × 600, turn the generator, you will see a beautiful ring of forward stretch of a circle.
Piece
1
44
Color wheel
Specifications: 400 × 600, function: Explore the composition of white light, understand the identification principle of true and false eye protection table lamp.
Piece
1
45
Brahma Tower
Specifications: 400 × 600, function: use the observation method to explore the law of the Brahma Tower, train students to use mathematics knowledge, the ability to solve practical problems.
Piece
46
Seeing is not true
Specifications: 400 × 600, function: observe the image of the rotating pattern, explore the reasons for its occurrence, and further understand the phenomenon of persistence of vision.
Piece
1
47
solar energy generation
Specifications: 400 × 600, function: to explore the performance of solar panels, understand the advantages of new energy batteries.
Piece
1
48
Drive aluminum plate
Specifications: 400 × 600, function: to explore the working principle of the motor, to develop students' hands-on ability.
Piece
1
49
Principle of film
Specification: 400×600, function: Exploring the reasons for the formation of the horse, understanding the principle of film projection, and understanding the visual function of the human eye.
Piece
1
50
Perceptual geomagnetism
Specification: 400×600, function: The current is obtained by moving the coil in the earth's magnetic field to detect the existence of the earth's magnetic field. Cultivate students' ability to perceive invisible objects using experimental methods.
Piece
1
51
Cell phone radiation
Specifications: 400 × 600, function: measure the radiation intensity of each environment using the mobile phone process, develop a plan to use your mobile phone reasonably, and cultivate students' scientific research ability.
Piece
52
Corner mirror
Specifications: 400 × 600, function: explore the imaging law of the angle mirrors of each other, find the imaging law of the transfer mirror.
Piece
1
53
Illusion cube
Specifications: 400 × 600, function: Explore the projection principle of 3D movies. Train students' ability to debug experiments.
Piece
1
54
Finger mute experience
Specifications: 400 × 600, function: explore the coding rules of the mute language, triggering the feelings of students caring for the disabled. Exploring the coding rules of mute language, causing students to care for the disabled.
Piece
1
55
Goldbach Conjecture
Specifications: 400 × 600, function: verify the correctness of Goldbach's conjecture through experiments, and feel the magic of number theory.
Piece
1
56
Star line
Specifications: 400 × 600, Function: Understand the formation principle of the star line, understand the application of the star line in daily life.
Piece
1
57
Galileo error
Specification: 400×600, Function: Understand the process of understanding the human pendulum. Understanding each simple knowledge and conclusion is also the unremitting efforts of several generations of human beings to get relatively correct conclusions. Understand the important role of mathematics in scientific research and the relationship between physics and mathematics.
Piece
1
58
Random grouping
Specifications: 400 × 600, Function: Through the experiment to correctly understand the relationship between probability and frequency, explain the random group phenomenon in life.
Piece
1
59
Pentagram
Specifications: 400 × 600, Function: Find out the rules of walking to complete the game, and cultivate students' ability to discover mathematical laws.
Piece
1
60
II broken case
Specifications: 400 × 600, function: understand the application of mathematics in the field of solving crimes, appreciate the charm of mathematics.
Piece
61
Take a match game
Specifications: 400 × 600, Function: Use mathematics to calculate the truth that can be won in various situations, and cultivate students' ability to solve practical problems.
Piece
1
62
Meeting place
Specifications: 400 × 600,
Function: Explore the general mathematical laws that solve this problem, and understand the thought methods that break down complex problems into several simple problems.
Piece
1
63
Four color theorem
Specifications: 400 × 600, Function: Verification of the four-color theorem, to develop students' ability to abstract practical problems into mathematical problems.
Piece
1
64
Elliptical gauge
Specifications: 400 × 600, Function: Master the design principle of the elliptical gauge and understand the nature of the ellipse.
Piece
1
65
Moving chess
Specifications: 400×600, Function: Find the general solution of this game and train students to discover the laws of mathematics.
Piece
66
Grille area
Specifications: 400 × 600, Function: There are many ways to find the area of ​​an irregular graphic, which is one of them. I hope to inspire students' creative thinking.
Piece
1
67
Eight Immortals crossing the sea and rearranging Jiugong
Specifications: 400×600, Function: Find the general solution of this game and train students to discover the laws of mathematics.
Piece
1
68
Magical tower wheel
Specifications: 400 × 600, Function: Explore the general mathematical laws to solve this problem, and understand the idea of ​​decomposing complex problems into several simple problems.
Piece
1
69
Cymbidium
Specifications: 400 × 600, function: verify the conclusion of the Lan Lan, explore the mathematical principles, and cultivate students' attention.
Piece
1
70
Galton board
Specifications: 400 × 600, Function: Verify the law of normal distribution and understand the significance of statistical laws.
Piece
1
71
Magnetic chaotic pendulum
Specification: 400×600, function: understanding the mathematical significance of chaos
Piece
1
72
Beautiful picture
Specifications: 400 × 600, Function: Beautiful picture is the hot spot of current graph theory research, I hope students can understand the cutting-edge knowledge.
Piece
1
73
Speeding bridge
Specifications: 400 × 600, function: find the general solution of the game, train students to discover the laws of mathematics
Piece
1
74
Weighing area
Specification: 400×600, Function: This is a method to obtain the area of ​​irregular graphics. It has been used in the processing of satellite images to inspire the idea of ​​student problem conversion, and to understand the way in which mathematics uses physical methods to solve mathematical problems.
Piece
1
75
Hamilton problem
Specifications: 400 × 600, Function: understand the use of graph theory to solve practical problems
Piece
1
76
Mathematics and music
Specifications: 400 × 600, Function: Understand the discovery process of the scale, understand that mathematics is not produced out of thin air, but because of need.
Piece
1
77
Zodiac magic hole
Specification: 400×600, Function: Understand the application of the exclusion method in practical problems
Piece
1
78
Floor tile
Specifications: 400 × 600, Function: understand the meaning of alignment geometry
Piece
1
79
Spena game
Specifications: 400×600, Function: Find the general solution of this game and train students to discover the laws of mathematics.
Piece
1
80
Happy song
Specifications: 400 × 600, function: Listen to the music written with digital, feel the beauty of mathematics.
Piece
1
81
Pufeng experiment
Specifications: 400 × 600, function: verify Pu Feng experiment, explore its mathematical principles, understand the mathematical significance of geometric probability.
Piece
1
82
First digit theorem
Specification: 400×600, function: verification theorem, understanding the discovery process of the theorem, and understanding the existence of mathematics everywhere in life.
Piece
1
83
Morse password
Specifications: 400 × 600, function: understand the principle of Moss password, peep into cryptography.
Piece
1
84
Measured
Specifications: 400 × 600, function: understand the mathematical methods of solving mathematical problems with physical methods.
Piece
1
85
Wonderful magic square
Specifications: 400 × 600, function: understand the past and present life of ancient Chinese games
Piece
1
86
Nipkov disc
Specifications: 400 × 600, Function: Understand the principle of TV scanning display, understand the phenomenon of visual persistence, and cultivate scientific interest.
Piece
1
87
Second hand machine
Specifications: 400 × 600, function: observe the movement law of the second hand, and cultivate observation ability.
Piece
1
88
Fachina disc
Specifications: 400 × 600, Function: Explore the composition of white light, understand the identification principle of true and false eye protection table lamp.
Piece
1
89
Fluorescent painting
Specifications: 400 × 600, function: appreciate fluorescent painting, understand the principle of fluorescent painting - the nature of fluorescent powder, cultivate the idea of ​​combining science and art.
Piece
1
90
Running horse drawing
Specifications: 400 × 600, Function: Appreciate Xu Beihong's running horse map, understand the scientific principle of the galloping horse flying - the relationship between Bernoulli gas and pressure, and cultivate the idea of ​​combining science and art.
Piece
1
91
Magical Foucault
Specifications: 400 × 600, function: Appreciate the oil painting Foucault pendulum, understand the principle of Foucault pendulum - the law of geostrophic bias, and cultivate the idea of ​​combining science and art.
Piece
1
92
Hockney Puzzle
Specifications: 400 × 600, Function: Appreciate the characteristics of Hockney's paintings, understand the means of painting - organic splicing of photos, and cultivate the idea of ​​combining science and technology with art.
Piece
1
93
Street stereo
Specifications: 400 × 600, function: Appreciate the illusion of popular European and American paintings, understand the principle of its drawing - the impact of the environment on vision, and cultivate the idea of ​​combining science and art.
Piece
1
94
Rotating painting
Specifications: 400 × 600, Function: Appreciate the illusion of painting - the relationship between vision and observation angle, understand the principle of its drawing, and cultivate interest in science and art.
Piece
1
95
Deformed bathtub
Specifications: 400 × 600, Function: Appreciate famous paintings, understand the truth contained in it - the principle of visual recognition of human brains on three-dimensional objects, and cultivate students' interest in science and art.
Piece
1
96
Overlapping expression motion
Specification: 400×600, Function: Appreciate Dusang's famous painting “Woman down the stairsâ€, understand the Cubist School, understand the principle of expressing movement with overlapping method, and cultivate the idea of ​​combining science and art.
Piece
1
97
Light intensity and color
Specification: 400×600, Function: Appreciate classical oil painting, understand the relationship between color and light intensity, and cultivate the idea of ​​combining science and art.
Piece
1
98
River bank drawing
Specification: 400×600, Function: Appreciate classical famous paintings, understand the scientific principles contained in them, the role of geostrophic bias, and cultivate the idea of ​​combining science with art.
Piece
1
99
Reflection painting
Specifications: 400 × 600, Function: Appreciate the reflection painting, understand the principle of its drawing - the principle of cylindrical mirror imaging, and cultivate the idea of ​​combining science and art.
Piece
1
100
Composition No. 8
Specifications: 400 × 600, Function: Appreciate Kandinsky's famous paintings, understand the artistic characteristics of abstract paintings, and cultivate the ability to appreciate modern art works.
Piece
1
101
Stereoscopic observation
Specifications: 400 × 600, Function: Appreciate the famous figurative painting, understand the principle of its drawing - the principle of perspective, and cultivate the idea of ​​combining science with art.
Piece
1
102
Principle of air perspective
Specifications: 400 × 600, Function: Appreciate landscape painting, understand the principle of its drawing - the principle of air perspective, and cultivate the idea of ​​combining science and art.
Piece
1
103
Dot painting school
Specification: 400×600, Function: Appreciate the famous paintings of Shura, understand the visual principle of the point painting, and cultivate the idea of ​​combining science and art.
Piece
1
104
Color advance and retreat
Specifications: 400 × 600, function: appreciate classic paintings, understand the scientific laws of color advancement and retreat, and cultivate the idea of ​​combining science and art.
Piece
1
105
Al's suspension bridge
Specifications: 800 × 600, Function: Explore the principle of leverage, especially the conditions of labor saving. Train students to abstract the phenomena of life into physical models.
Piece
1
106
Picking up wheat ears
Specifications: 800 × 600, Function: Explore the application of gold cut rate in painting or photo composition, and understand the aesthetic value of the golden ratio. Learn to take pictures that are more scientific and reasonable in composition.
Piece
1
107
Cable bridge
Specification: 800×600, Function: Exploring the application of catenary in bridges and understanding the mechanics in art works.
Piece
1
108
Spring willow
Specification: 800×600, Function: Exploring the relationship between the size of the wind and the shaking of trees or branches, and reading the meteorological information when painting. Develop students' observation ability.
Piece
1
109
Magical shadow
Specifications: 800 × 600, function: explore the principle and law of shadow formation, understand the production principle of the sundial, ask students to imitate the sundial introduced by this exhibition board, personally create a sundial, and cultivate students' hands-on ability.
Piece
110
The Last Supper
Specifications: 800 × 600, Function: Explore the application of perspective principle in painting, and cultivate students' spatial imagination.
Piece
1
111
gallery
Specification: 800×600, function: Explore the imaging law of the deformed plane mirror and understand the correspondence between the object images in the curved space. Develop students' spatial imagination.
Piece
1
112
sunflower
Specifications: 800 × 600, function: observe the arrangement of sunflower seeds, explore the proportional relationship between clockwise and counterclockwise, and cultivate students' observation and hands-on ability.
Piece
1
113
Water town
Specifications: 800 × 600, function: to explore the law of the formation of reflection in the water. Understand the application of plane mirror imaging rules in painting and life.
Piece
114
Red and green
Specification: 800×600, Function: Exploring the formation mechanism of the three-dimensional effect of the red and blue paintings, understanding the different color light through the corresponding results of the color filter, and cultivating the students' observation.
Piece
1
115
Three-dimensional oil painting
Specifications: 800 × 600, Function: Exploring the influence of the single-point perspective principle on oil painting and camera photography, and cultivating students' observation.
Piece
1
116
Three-dimensional painting
Specifications: 800 × 600, function: explore the scientific principles of three-dimensional painting, cultivate students' observation and imagination.
Piece
1
117
Magical wood box
Specifications: 800 × 600, function: to explore the formation of illusion painting. Train students' observation skills.
Piece
1
118
Avignon's girl
Specifications: 800 × 600, function: explore the form of painting expression space, observe the experiment from different angles, understand the difference between Newton space and Einstein space. Expand the horizons of students.
Piece
1
119
Eternal memory
Specifications: 800 × 600, function: to explore the relationship between object force and deformation, to understand the relationship between surrealist genre painting and scientific knowledge.
Piece
1
120
Digital Painting
Specifications: 800 × 600, Function: Explore the scientific principles of digital oil painting, understand the correspondence between pixels and clarity, and cultivate students' attention.
Piece
1
121
The wave of the sea seven treasures
Specifications: 800 × 600, Function: Explore the relationship between weather and cloud shape and color, and read the meteorological information from the art work. Develop students' observation ability.
Piece
1
122
Fractal geometry
Specifications: 800 × 600, Function: Explore the classification principle of computer painting, and deeply understand the imaging law of plane mirror. Develop students' observation ability.
Piece
1
123
White house in the night
Specifications: 800 × 600, Function: Understand why the bright stars appearing in the paintings are not the moon but the reason of Venus, and feel the artist's fine observation ability and realistic spirit. Cultivate the exploration consciousness of the combination of humanities and science.
Piece
1
124
Red ant
Specifications: 800 × 600, Function: Explore the nature of the Mobius ribbon, understand the profound scientific ideas of the work, and cultivate students' hands-on ability.
Piece
1
125
Magnetic turntable
Specification: 400×600. Although there is no mechanical connection between these three turntables, turning any one of the turntables can drive the other two turntables to rotate, which causes the other two turntables to rotate because of the strong magnetic force of NdFeB.
Piece
1
126
Fat measurement
Specifications: 400 × 600, fat measuring instrument is measured using bioelectrical impedance method. The surface has an ITO conductive film, and the weak bio-electricity is circulated in the body without damage, and is measured by the BIA bioelectrical impedance method.
Piece
1
127
Hand can't shake
Specifications: 400 × 600, the circuit is required for electric operation. Like us, go home after going out. Therefore, we use at least two wires, one is flowing out, and the other is flowing back. Electricity is generally conducted through metal. Water, the human body is also a conductor.
Piece
1
128
Capturing magnetic field
Specifications: 400 × 600, in addition to many visible substances around us, there are many invisible substances, the magnetic field is one of them!
Piece
1
129
Semiconductor refrigeration technology
Specifications: 400 × 600, driving semiconductor refrigeration film, fan, temperature sensor, digital tube display circuit and other normal work; showing the use of special semiconductor materials PN junction, forming a thermocouple pair, a new refrigeration method that produces Peltier effect, Show modern new technology.
Piece
1
130
Ultrasonic ranging
Specification: 400×600, which drives the sound wave transmitting, receiving, processing module, digital display and other circuits to work normally; demonstrates the new technology of using ultrasonic waves with good orientation and strong penetrating power to carry out spatial distance measurement.
Piece
1
131
Grip test
Specifications: 400 × 600, grip strength is mainly to test the development of upper limb muscle groups, through the grip test can achieve the purpose of assessing physical strength.
Piece
1
132
Perpetual motion
Specification: 400×600, Perpetual motion machine is a kind of imaginary machine that does not need external input energy, energy or can work without external movement and only work under one condition.
Piece
1
133
Bernoulli effect sphere
Main specification: 400×600, driving the fan to work normally, so that the ball circulates in the return pipe, revealing the Bernoulli principle in physics.
Piece
1
134
Magnetic brake
Specification: 400×600, the metal aluminum plate is driven by the transmission mechanism to rotate at high speed. At this time, the magnet is moved into the surface of the aluminum disk (no contact). The rotating aluminum disk generates an induced current in the magnetic field, and the magnetic field generated by the induced current The magnetic fields of the magnet interact to cause the aluminum disk to stop rotating rapidly.
Piece
1
135
Nano magnetic fluid
Specification: 400×600, nano-magnetic fluid is dispersed in the colloidal solution by single-domain magnetic particles with a diameter of less than 10 nm. By adjusting the position of the magnet and the bottle, the nano-magnetic fluid flows and exhibits its unique shape in the magnetic field. form.
Piece
1
136
Electrostatic pendulum
Specification: 400×600, using low current boost technology, two fixed metal balls are loaded with high-voltage static electricity of different nature, and the middle metal ball will swing back and forth between two fixed metal balls to transfer electric charge.
Piece
1
137
Light pressure windmill
Specification: 400×600, driving light bulb illumination; one side of the windmill blade is black and the other side is white; when the light hits the blade, the white blade reflects light, and the black blade absorbs light, so that the black and white blades receive different light forces. , thereby generating a rotational moment that pushes the blade to rotate.
Piece
1
138
Skinless drum
Specification: 400×600, the drum sound analog circuit, power amplifier circuit and infrared sensor circuit work normally. When the light beam is blocked by the drum, the receiver can not receive the light signal, and the photoelectric switch will drive the corresponding drum sound. The analog circuit works to emit three different audio drum sounds.
Piece
139
Curved parallel lines
Specifications: 400 × 600, the use of visual formation requires a complete visual analysis process, moving black and white and parallel acrylic beads, making people produce parallel errors in parallel lines.
Piece
1
140
Tip discharge
Specifications: 400 × 600, through the low current boost technology to produce high-voltage static electricity at both ends of the tip, resulting in tip discharge phenomenon.
Piece
141
Power generation anchor
Specification: 400×600, the induction coil and the LED are mounted on the pendulum. When the coil cuts the magnetic induction line through the magnet on the back plate, the induced current generated in the coil causes the LED to emit light.
Piece
1
142
Fiber optic transmission
Specifications: 400 × 600, so that music, power amplifier, code, decoding and other circuit modules work properly. The music signal is loaded into the light wave and propagates along the optical fiber; the light wave is received at the other end of the optical fiber and decoded to restore the loaded music.
Piece
1
143
Acoustic suspension
Specification: 400×600, the sound wave propagates in the acrylic tube, forming a standing wave, causing the object to generate a floating force in the vertical direction and hanging in the air; when the music frequency changes, the standing wave node changes up and down, and the object follows the up and down jump.
Piece
1
144
Color synthesis
Specifications: 400 × 600, the basic color can not be decomposed in the color is called the primary color, the primary color can be combined with other colors, but other colors can not restore the original color. The three primary colors we usually say are red, green and blue. The three primary colors can be mixed with all the colors and added to white.
Piece
145
Hologram
Specifications: 400 × 600, hologram refers to photos taken with holographic technology. Holography is the use of laser technology for photographing, recording all the light information of an object on a film, unlike a conventional camera that merely records a side of an object. Therefore, when the weight of the object on the film is now very realistic in the eyes of the viewer, it produces a visual effect exactly the same as when viewing the object.
Piece
1
146
Smart dimming glass
Specification: 400×600, dimming glass is a new type of special photoelectric glass product which combines the liquid crystal film into the middle of two layers of glass and is integrally formed by high temperature and high pressure bonding. The user controls the transparent and opaque state of the glass by controlling the on and off of the current.
Piece
1
147
Bernoulli effect sphere
Specifications: 400 × 600, drive the fan to work normally, so that the ball circulates in the return pipe, revealing the Bernoulli principle in physics.
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148
wind power
Specification: 400×600, make the axial flow fan work, blow the small fan equipped with the generator to generate electricity, and make the LED light and the buzzer sound.
Piece
149
The beauty of machinery and transmission
Specification: 400×600, mechanical transmission is widely used in mechanical engineering, mainly refers to the transmission that uses mechanical transmission of power and motion. There are two types: one is the transmission of power and friction transmission by the friction between the parts, and the other is the meshing transmission that transmits the power or movement by the engagement of the active part with the driven part or by the middle piece.
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150
Electrostatic pendulum
Specification: 400×600, using low current boost technology, two fixed metal balls are loaded with high-voltage static electricity of different nature, and the middle metal ball will swing back and forth between two fixed metal balls to transfer electric charge.
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151
Magnetic brake
Specification: 400×600, drive the metal aluminum plate to rotate at high speed with the transmission mechanism. At this time, move the magnet into the surface of the aluminum plate (no contact). The rotating aluminum disk will generate induced current in the magnetic field, and drive the metal aluminum plate with high speed. Rotating, at this time, the magnet is moved into the surface of the aluminum disk (no contact), the rotating aluminum disk generates an induced current in the magnetic field, and the magnetic field generated by the induced current interacts with the magnetic field of the magnet, so that the aluminum disk stops rotating rapidly. The magnetic field interacts so that the aluminum disk stops rotating rapidly.
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152
Caged bird
Specifications: 400 × 600, visual persistence phenomenon. After the object is seen to disappear, the human eye will still retain its image for about 0.1 second. This is the phenomenon of persistence of vision. Two objects or figures change rapidly and their images overlap on the retina. The bird was locked in the cage while holding the button.
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153
Light control street light
Specification: 400×600, the light-controlled street lamp is a circuit made of a photoresistor, and the simulation realizes the function of automatically turning on the skylight for controlling the street lamp and automatically turning off the daylight.
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154
Electromagnetic oscillator
Specification: 400×600, the principle of electromagnetic induction phenomenon, explore the conditions, methods and techniques for vibrating the spring vibrator. Using the electromagnetic induction phenomenon, the induced current generated will hinder the relative motion of the object motion.
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155
Not afraid of cutting materials
Specification: 400×600, for the sake of peace, today, the technology of bulletproof vest has entered a wider range of civil fields. High-strength high-density polyethylene cloth and aramid cloth woven by special methods have been applied to cut-proof. Backpacks, hoisting cables, a soft handcuffs, chef cut-proof gloves and other civilian protective products.
Piece
156
Ultraviolet and fluorescent agents
Specification: 400×600, we call the luminescence phenomenon caused by photoexcitation (irradiation) illuminant as photoluminescence. At present, the most widely used and most mature technology in this field is ultraviolet light and ultraviolet excitation materials. There is almost no change under visible light irradiation, but it can emit bright red, yellow, blue, green and other visible light under ultraviolet light.
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157
Iron tree blossom
Specification: 400×600, the circular acrylic protective cover with magnetic powder hourglass is installed on the special aluminum alloy track turntable; the upper end is equipped with super strong neodymium iron boron magnet.
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1
158
Wireless power supply
Specifications: 400 × 600, a new technology that is convenient and safe, without any physical connection, the power can be transmitted to the load at close proximity without contact.
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159
Photoluminescence
Specification: 400×600, we call the luminescence phenomenon caused by photoexcitation (irradiation) illuminant as photoluminescence. At present, the most widely used and most mature technology in this field is ultraviolet light and ultraviolet excitation materials. There is almost no change under visible light irradiation, but it can emit bright red, yellow, blue, green and other visible light under ultraviolet light.
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160
nanomaterials
Specification: 400×600. In the experiment to eliminate residual magnetism, the scientists found that when the particle size of the ferromagnetic material is less than 10 nanometers (1 nm=10-9 m, called 1 nm), the magnetic fluid exhibits superparamagnetism. That is, there is no remanence. Under the action of the magnetic field, the nano-magnetic fluid also exhibits a beautiful nail bed phenomenon. On the one hand, it visually shows the distribution pattern of magnetic lines of force. On the other hand, it also becomes an ideal for electromagnetic wave shielding. material.
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161
Temperature change teacup
Specification: 400×600, color changing tea cup is when the water temperature reaches a certain high temperature, some areas on the surface of the cup will be transparent, so that the color pattern behind will appear, the temperature will drop, and the color of these areas will return to the original color. Pattern disappears
Piece
162
Semiconductor temperature difference power generation
Specification: 400×600, principle explanation: In 1821, German scientist Sebel discovered in the experiment that in the circuit composed of metal bismuth and copper, when there is a temperature difference between the two joints, a magnetic field will appear around it, and then The discovery of an electromotive force in the loop laid the foundation for thermoelectric generation.
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163
Parrot tongue
Specifications: 400 × 600, understand the application of voice-activated switches, recording chips, and playback circuits.
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164
Drinking bird
Specifications: 400 × 600, the reason why drinking birds can nod to drink water because it contains complex physics. The liquid in the original "drinking bird" is a kind of volatile liquid such as ether. It is easy to evaporate at high temperature, and the pressure generated by the saturated steam of the liquid changes drastically with the change of temperature.
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165
Breathable impervious cloth
Specification: 400×600, there is a clear volume limit between water droplets and water vapor. Due to the gravitational attraction between water molecules, the smallest water droplet diameter is usually above 100 nm, while the water vapor molecular diameter is only 0.0004 nm. The gap density of the warp and weft is controlled to a spatial range of about 1 nanometer, so that the fabric has the function of water and ventilation.
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166
Hand-eye coordination
Specifications: 400×600, the orderly coordination and coordination of human visual and motor systems (including bones, muscles, nerves, etc.) are controlled by the central nervous system of our brain, and the coordination ability of a person's hand and eye is good. There are genetic factors and health effects, but the exercise of the day after tomorrow is crucial.
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167
Thermochromic liquid crystal
Specification: 400×600, liquid crystal is a substance between liquid and crystalline state. It has liquid fluidity and surface tension. It also has crystalline anisotropy and birefringence characteristics. It has been found that it is incident on liquid crystal materials. The light in the area is polarized to a certain extent, and the results show different colors. People have developed a liquid crystal thermometer using this characteristic of liquid crystal.
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168
Seeing is imaginary
Specification: 400×600, the imaging of the concave mirror is complex and interesting with respect to the plane mirror and the convex mirror. The technicians designed and manufactured the airborne floating display device of the object according to the unique optical phenomenon of the concave mirror, which is widely used in exhibitions and advertisements. Promotion.
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169
Gentle electric shock
Specifications: 400 × 600, human body safety current is AC 30 mA, DC 50 mA, where the voltage generated by the hand crank generator reaches 1000 volts, but the current is strictly limited to 15 mA, so rely on your own hair Electricity does not cause harm, and you can experience the feeling of electric shock yourself, thus establishing an important concept of safe use of electricity.
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170
Tangram
Specifications: 400 × 600, have you played the jigsaw puzzle? It is a wisdom game passed down from ancient times. It cuts a square plate into seven pieces and can spell many patterns.
Piece
171
Magic engine
Specification: 400×600. In some cases, the memory alloy has one-way deformation. For example, the satellite antenna and the heart frame are all in the category of one-way memory alloy. We only need to stack the antenna at high temperature when the antenna is small. After entering the space, the antenna is restored to its original shape and automatically unfolded due to the extremely low temperature.
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172
Nano magnetic fluid
Specification: 400×600, nano-magnetic liquid is dispersed in the colloidal solution by single-domain magnetic particles with a diameter of less than 10 nm. By adjusting the position of the magnet, the nano-magnetic fluid flows and exhibits a unique morphology formed in the magnetic field.
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173
Hilo Fountain
Specification: 400×600. When we slide the water container on the left to the high end, the water in the container slowly flows to the rightmost water container. After all the water flows into the rightmost water container, we will put the left side. The water container slides to the low end, when the nozzle of the middle container will spray water, just like a miniature fountain spewing in the container.
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174
Fiber optic application
Specification: 400×600, this product is used to demonstrate the application of optical fiber in modern life, let the audience understand the special properties of optical fiber, that is, the optical signal can be continuously reflected and propagated along the glass surface in the glass fiber.
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175
Speed ​​down line
Specifications: 400 × 600, comparing straight and curved tracks, the front part of the track, the curve track is much steeper than the linear track. Under the action of gravity, the ball will roll on the curved track to reach the maximum speed first, and in some parts of the track, the ball speed on the curved track exceeds the linear track. Although the curved track is longer than the straight track, the ball track is fast because of the ball speed. The ball on the ball goes to the finish line first.
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176
Shake hands with yourself
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177
看得è§çš„声波
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178
动é‡å®ˆæ’
è§„æ ¼:400×600, 于悬挂ç€çš„一排å°çƒï¼Œåœ¨æŸç«¯å°çƒçš„碰撞下，å¦ä¸€ç«¯çš„å°çƒè¿åŠ¨è€Œå…¶ä½™å°çƒé™æ¢ï¼Œå±•ç¤ºäº†åŠ¨é‡ä¼ 递和动é‡å®ˆæ’定律。
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179
蛇形摆
è§„æ ¼:400×600, 展示了一个用åŠçº¿æŒ‚在æ¢ä¸Šçš„å¯ä»¥éšæ„摆动的å°çƒï¼Œåœ¨å¿½ç•¥ç©ºæ°”阻力的情况下，它的周期åªæ˜¯ä¸Žé‡åŠ›åŠ 速度ã€æ‘†çº¿çš„长度有关。
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180
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181
åŒæ›²ç‹ç¼
è§„æ ¼:400×600, 人们通常使用点ã€çº¿ã€é¢æ述我们生活的立体三维空间，借助数å¦çš„方法，人们ä¸ä»…了解了世界，有些看似行ä¸é€šçš„事å´å¯ä»¥ç”¨ç§‘å¦çš„方法去实现，将直æ£å€¾æ–œä¸€å®šè§’度然åŽæ—‹è½¬é€šè¿‡åŒæ›²ç‹ç¼å°±æ˜¯å…¶ä¸å…¸åž‹çš„实例。
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182
神奇的普æ°æ‘†
è§„æ ¼:400×600, 当一个用绳å悬åŠçš„é‡æ‘†åœ¨ä¸€ä¸ªå¹³é¢å†…作往å¤æ‘†åŠ¨æ—¶ï¼Œå¦‚果用一å—茶色镜é®ä½ä¸€ä¸ªçœ¼ç›ï¼Œæˆ‘们åŒæ—¶ç眼看到的这个è¿åŠ¨æ‘†çš„轨迹就会从å•æ‘†è½¨è¿¹å˜ä¸ºæ¤åœ†å½¢è½¨è¿¹ã€‚
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183
英è¯é”阵
è§„æ ¼:400×600，有9个英文å—æ¯åœ¨ä¸åŒçš„ä½ç½®ä¸Šï¼Œä¸¤äººè½®æµè½¬åŠ¨åœ†ç›˜æ¡†é€‰å•è¯ï¼Œæ¯æ¬¡é€‰ä¸€ä¸ªå•è¯ï¼Œä½†æ¯äººæœ€å¤šä¿ç•™3个å•è¯ï¼Œæœ€å…ˆä½¿ä¿ç•™3个å•è¯å…·æœ‰ä¸€ä¸ªå…±åŒå—æ¯çš„人获胜。
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184
潜望镜
è§„æ ¼:400×600, 潜望镜主è¦åˆ©ç”¨ä¸¤é¢é•œå组æˆä¸€ä¸ªè§‚察系统，ç»è¿‡å…‰çš„两次å射达到在ä¸åŒä½ç½®è¿›è¡Œè§‚察的目的。
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185
裸眼3D
è§„æ ¼:400×600，我们ä¸ç”¨æˆ´çœ¼é•œå°±å¯ä»¥è§‚察到3D的立体空间效果,这个是现在的裸眼3D的科技产å“ï¼Œæ ¹æ®äººçœ¼çš„特点用电脑绘制的3D效果图片。
Light Therapy Lamp
Guangdong Jishengke Industrial Co.,Ltd , https://www.dgjskpad.com