Added almost 4 years ago | 00:37:48 | 3293 views
06/10/2006 11:00 AM KresgeEsther Duflo, PhD '99, Abdul Latif Jameel Prof of Poverty Allev & Develop Department of EconomicsDescription: Esther Duflo hopes to take the measure of a wide range of anti-poverty programs. Applying scientifi...
Added over 7 years ago | 00:01:02 | 33126 views
One wire coil is connected to a radio, and another is connected to a speaker. The two coils are not connected to each other. The radio signal is transmitted through the induced magnetic field caused by the current in the wires. The s...
Added over 7 years ago | 00:00:23 | 65828 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...
Added over 7 years ago | 00:00:28 | 50501 views
Two bar magnets of the same size are dropped through an aluminum tube and a glass tube. The magnet dropped in the glass tube falls at the normal rate of acceleration due to gravity, but the magnet falling through the metal tube is slow...
Added over 7 years ago | 00:01:29 | 71937 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...
Added over 7 years ago | 00:08:14 | 94547 views |
Thoughts on Fieldwork From Three Research Sites Cultural Anthropology is a social science that explores how people understand - and act in - the world. But what, exactly, is it that Cultural Anthropologists do? How do they approach their...
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