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Videos tagged with demonstration (73)

MIT Physics Demo -- Bicycle Wheel G...

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:01:28 | 179107 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 ...

Cloud Chamber

MIT Department of Physics Technical Services Group

Added over 7 years ago | 00:02:36 | 92444 views

Subatomic particles such as cosmic ray muons, alpha particles, and high energy electrons are striking our bodies all the time. In the cloud chamber, these particles ionize air molecules, creating delicate cloud trails by condensing supe...

The Coriolis Effect

MIT Department of Physics Technical Services Group

Added over 7 years ago | 00:03:00 | 90472 views

Two demonstrators sit at either end of a rotating platform and toss a ball back and forth. When viewed from the rest frame (when the camera is mounted to the ground), the ball follow a straight line but doesn't reach its target because ...

Physics Demo -- Magnetic Motor

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:01:29 | 77699 views

A toroid with three different wire windings is connected to 220 VAC 3-phase voltage. The voltage phase of each of the three windings lags 120 degrees behind the next, creating a changing induced magnetic field. The changing field causes...

Monkey and a Gun

Monkey and a Gun

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:01:16 | 72512 views

A stuffed monkey is suspended from a rod at one end of a lecture hall by an electromagnet. A golf ball gun aimed directly at the monkey cuts power to the electromagnet when fired. Thus, the monkey begins falling at the same instant th...

MIT Physics Demo -- Back "emf" in a Large Solenoid

MIT Physics Demo -- Back "emf" in a...

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:00:23 | 69583 views

A large solenoid is connected to DC power through a knife switch. When the switch is closed, the current builds up to approximately 30 amps. When the switch is opened, the solenoid attempts to keep the current flowing, creating a huge...

Faraday's Cage

MIT Department of Physics Technical Services Group

Added almost 8 years ago | 00:01:23 | 68329 views

In the electric field of a Van de Graaff generator, an unprotected Ben Franklin feels electrostatic forces. However, when a metal cage surrounds him, he is completely shielded against any electricity or electrostatic force. This is due...

MIT Physics Demo -- Exploding Wire

MIT Physics Demo -- Exploding Wire

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:02:00 | 65257 views

A 100 uF oil-filled capacitor is charged to 3 KV. This takes approximately 15 minutes, creating a charge on the capacitor that could be lethal. The capacitor is then discharged through a 12" length of 30 gauge bare iron wire.When the hi...

Ripple Tank: Single and Double Slit...

MIT Department of Physics Technical Services Group

Added over 7 years ago | 00:03:05 | 62566 views

A ripple tank is placed above a mirror and a projection screen. A horizontal bar, whose frequency can be varied, taps the surface of the water and produces plane waves. The waves are incident on a barrier containing an adjustable openi...

MIT Physics Demo -- Magnetic Deflec...

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:01:35 | 61300 views

An cathode ray tube (CRT) television is connected to a video camera. When a strong magnet is brought close to the television screen, the image becomes warped and discolored.While many new televisions use flat screen technology, older C...

MIT Physics Demo -- Resonant RLC Circuit

MIT Physics Demo -- Resonant RLC Ci...

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:00:46 | 58955 views

A variable capacitor (C), large inductor or solenoid (L), and 200W light bulb (R) are connected in series to 120 VAC. The inductance of the inductor can be varied by inserting an iron core, and the capacitance can be varied by a row of ...

Physics Demo -- Jumping Ring

MIT Department of Physics Technical Services Group

Added over 8 years ago | 00:01:40 | 58488 views

A solid metal ring is placed on an iron core whose base is wrapped in wire. When DC current is passed through the wire, a magnetic field is formed in the iron core. This sudden magnetic field induces a current in the metal ring, which i...

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