Earth 1, asteroids 0: The next generation of planetary defense takes shape at NASA's Jet Propulsion Laboratory
The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...
New Atlas9h
Smart folding propeller unfurls for battery regen, closes for speed
Danish company Gori Propeller has been one of the foremost names in folding marine propellers used on sailboat auxiliary ...