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Emrys42

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Joined
August 12, 2013
Last visited
August 23, 2013

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What engines and fuels would interstellar species use for space travel? 1 2

By Emrys42, August 12, 2013 in Engineering
- 27 replies
- 5270 views
Hardness of the Elements. I need help to understand.

By Emrys42, August 13, 2013 in Inorganic Chemistry
- 2 replies
- 1311 views
A few questions about elements, densities, and specific energy.

By Emrys42, August 12, 2013 in Inorganic Chemistry
- 4 replies
- 1547 views

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