Conspiracy of Light
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Pumping Down and Sealing a High Vacuum Tube
plenum88
423 views
We describe the construction of a vacuum system including a diffusion pump for evacuating and sealing tubes to high vacuum (up to 1 E-6 Torr ). We demonstrate the process o...
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Detecting Earth's Diurnal Rotation Using a Large Area Sagnac Interferometer
plenum88
946 views
This video describes the construction and testing of a Sagnac interferometer / Fiber Optic Gyroscope (FOG) sensitive enough to detect earth's rotation through space by dete...
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Sagnac Interferometer / Fiber Optic Gyroscope (FOG) with Improved Resolution
plenum88
1,798 views
As a follow up to our first video, the Sagnac interferometer described herein can detect rotation as low as 1 revolution every 7 hours. Uses simple construction methods to ...
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Magnetic Levitation Motor with Eddy Current Drive Part 1.
plenum88
2,201 views
A motor with a magnetically levitated rotor and driven by eddy currents from a stator. Description and low speed run.
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Journey to the volcano, Vanuatu
plenum88
51 views
A photo documentary of our journey to the Yasur volcano on Tanna Island, Vanuatu (2005). Yasur is one of the most accessible active volcanoes in the world.
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Magnetic Levitation Motor with Eddy Current Drive Part 2
plenum88
597 views
A motor with a magnetically levitated rotor and driven by eddy currents from a stator. High speed run.
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Low cost optical bench from scratch
plenum88
1,075 views
Low cost optical bench construction using a hand made aluminum breadboard and optical mounts. Demonstrated with a Mach-Zehnder interferometer.
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Sagnac interferometer Fiber Optic Gyroscope ( FOG ) construction and testing
plenum88
3,306 views
Demonstration of a simple, low cost Sagnac interferometer, also known as a Fiber Optic Gyroscope ( FOG ).
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Simple high speed homopolar motor
plenum88
544 views
A simple high speed homopolar motor using a screw, neodymium magnet, brush, mounting and power supply.
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Interference between two independent laser beams
plenum88
259 views
Laser beam interference demonstrated between two independent, frequency-stabilized HeNe lasers. Demonstrates that independent photons do in fact interfere, despite the famo...
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