The homopolar generator

 

In principle a homopolar generator consists of a conducting disc spinning about an axis in a magnetic field parallel to axis. When the spinning disc stopped suddenly, all its kinetic energy can be used to generate large current surges.

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The Sky This Month - October 2015

The Swan and the Fox

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Structure of atmosphere

The Troposphere, the region of weather, extends from the ground to height of 10-12 km. in our lattitudes and to about 18 km.

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Mt. Holyoke College

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Canada AM interviews Exec Director Randy Attwood about upcoming lunar eclipse

Check out today's interview here!

https://www.ctvnews.ca/video?clipId=713131&playlistId=1.2580778&
binId=1.810401&playlistPageNum=1&binPageNum=1
&hootPostID=4d59c1e94f611642ad38b3ad8146e7fd

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RASC member Jim Chung's book published by Springer!

 

Astro-Imaging Projects for Amateur Astronomers, Jim Chung's intelligent and attractively written guide to making and adapting imaging and observing gear, has recently appeared in Springer's Patrick Moore Practical Astronomy Series.

Those familiar with Jim's articles in the RASC's Journal will know of his genius for devising understandable and doable solutions which perform as well as their commercial counterparts, and at a fraction of the cost.

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The Sky This Month - September 2015

Capricorn, Aquarius and a Lunar Eclipse


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Bulletin 2015 Sep

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Asteroid (13585) Justinsmith

Justin Erik Halld´or Smith (1972) is an American-Canadian philosopher, at present a professor in the Department of Philosophy and Sciences at Diderot University, Paris. His recent book Nature, Human Nature and Human Difference (2015) is a collection of philosophical essays.

Orbit Type: Main Belt

Reference: MPC 95310

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General Assembly

Since 1958, the RASC has gathered annually to meet, exchange the latest astronomical accomplishments of its members and celebrate the achievements of its award winners. The General Assembly or GA as it is known is an excellent opportunity for members of the RASC from across the country to gather and strengthen the bonds of community.

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