And how to try and prevent them.
Posted 3 years ago by B2B1 in category: interesting   Comments (0)





Richard Feynman is one of the most iconic, influential and inspiring scientists of the 20th century. He helped design the atomic bomb, solved the mystery of the Challenger Shuttle catastrophe and won a Nobel Prize. [ Long video ]
Posted 3 years ago by jarray11 in category: documentary   Comments (0)


Posted 9 years ago by rogerdanger in category: impressive   Comments (0)