He and the world just witnessed a U.S. entrepreneur lead a bunch of under 30 STEM nerds to design, build, and successfully launch the third largest rocket ever…

https://plus.google.com/+RMichaelBrown/posts/LigPt9Y3Cd4?_utm_source=1-2-4

‘Sea Hunter,’ a drone ship with no crew, just joined the U.S. Navy fleet

https://www.digitaltrends.com/cool-tech/darpa-sea-hunter-joins-navy-fleet/