How exploding stars might well have changed the course of evolution: http://nyr.kr/117eF9g
The Earliest Days of NASA
Maria Popova, at Brain Pickings, happened upon a treasure trove of early NASA (and its airplane-only predecessor NACA) archive photos. They are really something. From biplanes to the Mercury capsule, pre-1950 aeronautics seemed to live by the motto of “If we build it, then we can go there.” That’s a sentiment we could use a bit more of.
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