Monthly Archives: October 2013

Stealth monitor

Here’s a clever idea — strip the polarizing filter away from a computer monitor and turn it into a pair of polarizing sunglasses. When you look at the screen through the sunglasses, it will appear perfectly normal. Everyone else will

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Solution to GCHQ competition

Note: The domain that hosted this competition appears to have been taken over by malware pushers, and the pages hosted on other sites around the web have all been deleted. Where possible, I have replaced the links in this article

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HackerRank

Have you heard of HackerRank before? Their 20/20 Hack October programming contest launched a few hours ago. I just had a quick scan through the current leader board, and it looks like I’m the only Brit taking part in this thing so

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