Salim Al-Hassani: 1001 Inventions | Nat Geo Live

What do water fountains, rocket jet packs, and graduation robes all have in common? Emeritus Professor Salim T.S. Al-Hassani reveals the enduring legacy of Muslim civilization. ➡ Subscribe: ➡ Get More Nat Geo Live: About Nat Geo Live (National Geographic Live): Thought-provoking presentations by today’s leading explorers, scientists, and photographers. Get More National Geographic: Official Site: Facebook: http://b