/u/funny_mad_scientist's posts in /r/askscience
We see videos of meteors falling, burning bright, ets. However they appear to always travel at a steep angle. Is there a reason why meteors can not fall to the earth at a perfect perpendicular to the earths surface?
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We see reusable rockets landing back at the designated landing pads. It's probably undergoing very high pressure and heat during last few seconds. Are they made of pain concrete or some special material is needed to withstand the conditions repeatedly?
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Unlike nuclear or even solar, the technological capability needed to make wind turbines is relatively simple. Large generator had existed for over a century (eg. Westinghouse Generator 1890s). Why did the mass adoption of wind turbines only start to take off after the turn of the millennium?
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