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Videos tagged with physics (211)

MIT Physics Technical Services Group Cambridge Science Festival Event

MIT Physics Technical Services Grou...

wrenow

Added over 5 years ago | 00:04:18 | 19236 views

May 2nd, 2009 10AM-3PM Cambridge Science Festival Event hosted by the MIT Physics Technical Services Group http://web.mit.edu/tsg/MIT-TSG_CSF/

technical services group presentation

technical services group presentation

wrenow

Added over 5 years ago | 00:07:51 | 10397 views

a keynote presentation describing what the MIT Physics technical services group does, is working on, and including a highlight of our cambridge science festival event__ __to elaborate: video of the Keynote presentation i made describing...

rocket on a wire

rocket on a wire

wrenow

Added over 5 years ago | 00:00:09 | 12435 views

Laser Diffraction and Interference

Laser Diffraction and Interference

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:02:25 | 36394 views

A laser is directed at an adjustable single slit and then a pinhole and the resulting diffraction patterns can be seen on a screen. A laser directed at two slits spaced closely next to each other creates an interference pattern within...

Faraday's Cage

Faraday's Cage

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:01:23 | 60387 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...

Adjustable Capacitor with Dielectric

Adjustable Capacitor with Dielectric

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:02:05 | 35020 views

First, an adjustable parallel-plate capacitor is held at a constant voltage. As the separation between the plates is widened, the electrometer shows charge (or current) flowing off of the plates, while the electroscope shows no change i...

Balloons in Liquid Nitrogen

Balloons in Liquid Nitrogen

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:01:18 | 44926 views

This demonstrates the ideal gas law (PV=nRT) which states that a drop in temperature with fixed mass and external pressure will result in a smaller volume, and vice versa.

Dissectible Capacitor

Dissectible Capacitor

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:02:54 | 43513 views

Leyden Jars, an early style of capacitor, can be connected to the two electrodes of the Wimshurst Machine. They will store charge as it is generated, giving a much stronger spark across the gap. Next we have a three-piece dissectible ...

Temperature Effect on Resistance

Temperature Effect on Resistance

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:01:10 | 42191 views

A light bulb is connected in series with a coil of very fine copper wire and a DC power supply. The voltage is adjusted so that the bulb glows dimly. When the coil is immersed in liquid nitrogen the resistance of the wire decreases causi...

Inducing Dipoles with a Van de Graaff Generator

Inducing Dipoles with a Van de Graa...

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:02:51 | 44671 views

First, a dipole consisting of two conducting balls connected by an insulating rod swings at the end of a long plexiglass rod. The two balls are charged oppositely by touching it to a conducting rod in the field of a Van de Graaff generat...

Confetti and the Van de Graaff Generator

Confetti and the Van de Graaff Gene...

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:00:55 | 41241 views

Paper confetti is placed atop a Van de Graaff generator and flies off when the grounding rod is removed. When turned on, a Van de Graaff generator builds up lots of negative charge on its large metal sphere. A grounding rod is used t...

Rubber and Glass Rods with Tinsel and Balloon

Rubber and Glass Rods with Tinsel a...

MIT Department of Physics Technical Services Group

Added over 5 years ago | 00:02:02 | 38032 views

A plexiglass rod rubbed with fur picks up a positive electric charge, while a rubber rod rubbed with fur picks up a negative electric charge. When either rod is brought in contact with hanging tinsel, the tinsel becomes charged and flare...