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- Government solved the problem of building rockets first. - The falling costs of green energy make it a mid-term solution too.
by zerostar07 14y ago
- Government solved the problem of building rockets first.
- The falling costs of green energy make it a mid-term solution too.
- InclinedPlane 14y agohttp://en.wikipedia.org/wiki/Robert_H._Goddard http://en.wikipedia.org/wiki/Robert_H._Goddard