cen85
cen85's Activity (5)
magic2008 added a news bookmark.
First, it was the Rubik's Cube solving Lego robot and now, one that not only plays ping pong, but also, has the audacity to challenge one of the world's best players - Germany's...About 7 years agocen85 added a news bookmark.
This past week was an exciting one for astronomy fans. That's because two comets — 252P and the P/2016 BA14 — were scheduled to make their closest approach to Earth, back-to-bac...About 7 years ago