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David Hammen

I'm an ex-ex-rocket scientist. I briefly left the NASA fold to work at a startup filled mostly with similar ex-rocket scientists. We applied what we learned about making rockets reliably, economically, and safely move from point A to point B to all kinds of other devices that move from point A to point B. I came back to the NASA fold because, in hindsight, that was not the best time to make the jump to oil and gas (upstream).

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21 What new mathematics was inspired by biology and chemistry? Feb 22 '15
15 When did we first begin to suspect that the Earth had an Iron Catastrophe? Apr 27 '15
12 Writing Mathematical Symbols in 20th century May 6 '15
10 On what basis did Kennedy think that humans could land on the moon so quickly? Oct 28 '18
10 Why didn't Aristarchus' theory of Heliocentrism stick? Feb 16 '15
8 Was science the driving force behind the Apollo program? Jun 10 '15
8 Why did India miss the Great Revolution in Maths and Science? Feb 14 '15
7 Why is kg the standard unit for mass and not g in SI? Jul 21 '15
7 Who created Agile programming and why? Feb 15 '15
6 What is the importance of SI units in Physics? Apr 21 '15
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