1) 15% is nothing to laugh at, how would you like to reduce your mortgage by 15%? 2) They said it will take 1/6 of the energy gained, and a...
I'll take a swing. 1) The Rand Corporation (Who published about this in 2005- http://www.rand.org/pubs/monographs/2005/RAND_MG414.pdf ) believes...
Scientist is a rather strange term to use, the field of all science is so varied you should pick something that interests you and research it. You...
Haha yes, hitting the back of the canon could be a problem... But it's cheap energy-wise!
It is very possible to calculate the speed. It's a bit complicated as the density of the atmosphere changes alot as you go up, the different layers...
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