Added over 7 years ago | 00:01:28 | 175693 views
A bicycle wheel is suspended from one of end of its axie by a rope, and spun up by hand. The wheel's axle is then placed horizontally and the free end of the axle processes about the supported end. The gyroscope seems to defy gravity ...
Added almost 8 years ago | 00:01:11 | 54357 views
A small glass tube, held by copper wire, is placed in series with a light bulb. The glass acts as an insulator at room temperature, meaning the current cannot flow between the copper wires. This leaves an open circuit and the light bulb...
Added almost 8 years ago | 00:00:53 | 49037 views
A light bulb is placed in series with two copper plates immersed in de-ionized water. Touching the plates closes the circuit, lighting the bulb.When kosher salt is dropped into the de-ionized water, the salt dissolves, causing ions to b...
Added over 7 years ago | 00:00:22 | 46287 views
A pair of spinning wheels 1.5 meters apart is placed in the path of a bullet. A bullet is fired with the wheels stationary for reference position, and fired again with the wheels spinning at a known speed. The second wheel will rotate mo...
Added 8 years ago | 00:01:11 | 45025 views
A solid copper pendulum is mounted between the poles of an electromagnet (solenoid). The pendulum is set into motion, and then the magnets are turned on. The magnets induce eddy currents in the copper which oppose the motion of the pe...
Added almost 8 years ago | 00:00:57 | 42725 views
An RF transmitter is connected to a long antenna, emitting radio waves. A dipole antenna with a light bulb between its elements acts as the receiver. When the receiving antenna is parallel to the transmitter, the radio waves are absor...
Added over 7 years ago | 00:09:28 | 41294 views
The Saint Thomas Academy from Mendota Heights, Minn., received a 2008 InvenTeam grant from the Lemelson-MIT Program to invent an electric motorcycle with compressible "crush zones" for urban commuter safety. The InvenTeam presented its...
Added almost 8 years ago | 00:01:14 | 36949 views
A polarized microwave emitter and a polarized microwave receiver face each other on a table. At first, the emitter and receiver are polarized in the same direction (up-down), and all the emitted signal gets received. When a metal comb i...
Added over 7 years ago | 00:08:34 | 35260 views
The Brillion High School from Brillion, Wis., received a 2008 InvenTeam grant from the Lemelson-MIT Program to invent an electric all-terrain multi-purpose lifting machine. The InvenTeam presented its invention at EurekaFest at MIT in ...
Added over 7 years ago | 00:11:37 | 31541 views
The Troy High School from Fullerton, Calif., received a 2008 InvenTeam grant from the Lemelson-MIT Program to invent a robotic coconut tree climbing device. The InvenTeam presented its invention at EurekaFest at MIT in June 2008.
Added over 7 years ago | 00:19:39 | 30677 views
The Palo Alto High School from Palo Alto, Calif., received a 2007 InvenTeam grant from the Lemelson-MIT Program to create a head-mounted remote control for quadriplegics. The InvenTeam presented its project at MIT in June 2007. Henry Ev...
Added almost 8 years ago | 00:02:54 | 30421 views
Littleton High School of Littleton, N.H., was a 2003 pilot InvenTeam grantee that has since sustained a culture of inventiveness. The InvenTeam exhibited the Argus, a remote-sensing network device to monitor the weather, at a showcase h...
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