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The Laser Interferometer Gravitational Wave Observatory is spearheading the completely new field of gravitational wave astronomy and opening a whole new window on the universe. LIGO's exquisitely sensitive instruments may ultimately take us farther back in time than we've ever been, catching, perhaps, the first murmurs of the universe in formation.
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Dr Brian Cox goes to the Laser Interferometer Gravitational Wave Observatory (LIGO for short) in the swamps of Louisiana and gets scared of the poisonous creepy crawleys.
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Part two of two of a blog-lecture version of chapter one section one of Modern Relativity's special relativity Unit at http://www.geocities .com/zcphysicsms/
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Cette expérience permet de voir l'air à l'aide d'une machine appelée "interféromètre de Wollaston".
This experiment allows to observe air perturbations around someone's hand.
work can only be done on a mass. Further, it takes TIME to move an electron or other charged mass between two spatial points, and so the work performed by a spatial differential of the THETA-FIELD requires TIME. Rigorously, the delta S.E.P. is voltage, not S.E.P. per se, and is directly related to the voltage or "E" field.
Audio feedback of displacement
in the Michelson Interferometer
from tapping the breadboard.
Aquired by using a photodiode
placed into the interference
pattern.
Lab conducted by first year student photonics Thomas Grainge at Niagara College.
![L\](http://img.youtube.com/vi/LlHDuz8W3sM/2.jpg "L\")
