Interesting Engineering2 天
35,000 mph speeding rocks ripped 2.2-mile-deep canyons on moon in 10 minutes
Lunar debris slammed into the surface at speeds approaching "1 kilometer per second (3600 kilometers per hour or 2237 miles per hour)." ...
Lincoln Journal Star4 天
Lincoln native and Northeast grad goes to Middle East to help Palestinian farmers
Hannah Breckbill wants to make the world a better place for everybody. As a farmer, she likes to see herself working toward ...