Aviation start-ups and the Trump administration want to replace helicopters with electric aircraft, but the new vehicles ...
A new all-electric aircraft made a test flight in New York City. Our transportation reporter Niraj Chokshi describes what to ...
Space.com on MSN
Can solar sails really send humans out into interstellar space?
"I think these are not far-out type of ideas; they are not really futuristic ideas that we are talking about." ...
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