Sudoku saves photographers from copyright theft

A new watermarking technology based on a system akin to the permutation rules used to solve the numeral puzzles known as Sudoku has been developed by computer scientists in Malaysia. Writing in the International Journal of ...

'Zero knowledge' may answer computer security question

(Phys.org) —In the age of the Internet, it's getting harder and harder to keep secrets. When you type in your password, there's no telling who might be watching it go by. New research at Cornell may offer a pathway to more ...

3-D mapping in real time, without the drift (w/ Video)

Computer scientists at MIT and the National University of Ireland (NUI) at Maynooth have developed a mapping algorithm that creates dense, highly detailed 3-D maps of indoor and outdoor environments in real time.

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