Mark Rober
@MarkRober
Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- https://t.co/3UMhZ5kV9h
ID:490932793
http://youtube.com/markrober 13-02-2012 02:20:43
3,6K Tweets
508,2K Followers
501 Following
@MarkRober
Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- https://t.co/3UMhZ5kV9h
ID:490932793
http://youtube.com/markrober 13-02-2012 02:20:43
3,6K Tweets
508,2K Followers
501 Following