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canada goose coats on sale A team of physicists has come up with a way to secure communications over the Internet, which is not a small deal in this day and age. Their approach involves creating truly random numbers. NPR’s Joe Palca has the canada goose black friday sale story. canada goose coats on sale

canada goose store JOE PALCA, BYLINE: It’s canada goose uk black friday not hard to come up with an example of why Canada Goose Coats On Sale randomness is key to online security. Peter Bierhorst is a mathematician at the National Institute of Standards and Technology in Boulder, Colo. canada goose store

buy canada goose jacket cheap PETER BIERHORST: Suppose you’re logging into your bank’s website from a computer, and it canada goose says, we don’t recognize this computer; can we send you a six digit, little one time PIN through a text message? And then canada goose clearance sale type it into your computer, and then we’ll know it’s you. buy canada goose jacket cheap

buy canada goose jacket PALCA: uk canada goose Now, with a six digit PIN, if each digit is picked randomly, the chance of someone guessing the PIN on the first try is one in cheap Canada Goose a million. But what if the PIN the bank sends is not really random? buy canada goose jacket

cheap Canada Goose Pi Canada Goose Jackets is known as an irrational number. It has an infinite number of digits. Bierhorst says, suppose you took six digits from pi. cheap Canada Goose

canada goose black friday sale BIERHORST: That would look pretty unpatterned. But canada goose coats if you had some adversary, and they started figuring out what the bank was doing, which was just using the digits of pi in sequence one after the other for all of these little PINs, then that adversary canadian goose jacket would pretty soon figure that out and be able to hack into your secure communication with the bank. canada goose black friday sale

canada goose clearance Cheap Canada Goose Outlet PALCA: So truly random numbers are what you need to assure as much security as possible. To get such numbers, Bierhorst and canada goose factory sale his colleagues turned to the weird and wonderful world of cheap canada goose uk quantum physics. As they report in the Canada Goose Outlet journal Nature, the researchers used particles of light buy canada goose jacket cheap known as photons to buy canada goose jacket test for randomness. canada goose clearance

canada goose deals BIERHORST: The way we set this experiment up is very subtle. canada goose deals

Canada Goose Jackets PALCA: Without going into too much detail, the experiment made measurements of the photons that had been joined in uk canada goose outlet a spooky physical state known as quantum entanglement. The measurements scrubsuniforms.ca were made far enough apart so that the speed of light could not have affected the outcome. Canada Goose Jackets

canadian goose jacket BIERHORST: And so if you don’t believe Canada Goose Online that signaling faster than the speed of light is possible, you have to accept the random character in our measurement outcomes. canadian goose jacket

Canada Goose Parka PALCA: Bierhorst says now that they are Canada Goose Parka sure their photon canada goose store measurements are truly random, they plan to use canada goose clearance the setup as a random number generator. Umesh Vazirani works with quantum physics at the University of California, Berkeley. He says Bierhorst and his colleagues aren’t the first to try to use quantum physics to generate random numbers. Canada Goose Parka

canada goose coats UMESH VAZIRANI: It’s such a surprise. In a classical world, you could never, ever certify something as random. It’s something that the quantum world allows us to do. canada goose coats

Canada Goose Outlet PALCA: The quantum world may allow us to do many more things, Canada Goose sale such as make unspeakably fast computers. But canada goose coats on sale that’s a story for another day. Joe Palca, NPR News. Canada Goose Outlet

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