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Falcon 9 Reusable Rocket Takes Off And Lands(First Flight Test - 250m)

Hugh Herr: The new bionics that let us run, climb and dance [TED]

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Copying Isn't Theft (by Nina Paley) The state of the music industry How Copyright Protection Makes Books Vanish The above chart shows a distribution of 2500 newly printed fiction books selected at random from Amazon's warehouses. What's so crazy is that there are just as many from the last decade as from the decade between ... Read more

Public Key Cryptography: Diffie-Hellman Key Exchange The idea here is that (3^24 mod 17) ^ 54 mod 17 = 3^(24*54) mod 17 = 3^(54*24) mod 17 = (3^54 mod 17) ^ 24 mod 17. Alice has result of (3^24 mod 17) from Bob and her private number 54, while Bob has result of (3^54 mod ... Read more

GoPro: Backflip Over 72ft Canyon - Kelly McGarry Red Bull Rampage 2013:

Rails Conf 2012 Keynote: Simplicity Matters by Rich Hickey