Mark Rober
@MarkRober
Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- https://t.co/3UMhZ5kV9h
13-02-2012 02:20:43
3,6K Tweets
508,8K Followers
505 Following
@MarkRober
Former NASA and Apple engineer. Current YouTuber and friend of science. CrunchLabs founder- https://t.co/3UMhZ5kV9h
13-02-2012 02:20:43
3,6K Tweets
508,8K Followers
505 Following