yashrajkakkad Posted January 19, 2016 Report Posted January 19, 2016 I am supposed to deliver a six-seven minutes speech on "Space and Mankind". Requesting you all to share your opinion and ideas on the same! Quote
sanctus Posted January 19, 2016 Report Posted January 19, 2016 Space elevator? Always cool and surprising to people not having heard about it Quote
Maine farmer Posted January 20, 2016 Report Posted January 20, 2016 How about the physiologic an psychological effects of space travel? Quote
CraigD Posted January 20, 2016 Report Posted January 20, 2016 Since the subject is “space and mankind”, how about exploring the question “all things considered are vehicles capable of reaching space good or bad for humankind?” (let’s excise a bit of sexism and use “human” in place of “man”) On one hand, they could allow us to expand our species habitat beyond Earth, allowing our population size to be much greater than possible if we remain only on Earth, and survive longer than any previous species. On the other, they could be used annihilate a substantial fraction of our population in a few hours, causing the collapse of our science, culture, and civilization, hastening our extinction. Would we have spacecraft now were it not for nations’ drive to win wars? Quote
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