Once solved, the severe handicaps imposed on space exploration by the weight and chemical limitations of rockets would no longer apply. The… — Donald A. Wollheim Copy Share Image
At a physical level, India is blessed with a rich biodiversity of flora and fauna. We have a predictable monsoon, and a… — Rohini Nilekani Copy Share Image
We have the capability - physically, technically - to protect the Earth from asteroid impacts. We are now able to very slightly… — Rusty Schweickart Copy Share Image
