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The latest blog posts to take off on Hacker News. 68 posts.
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This text circulated on the internet in September 2003. I first became aware of it when a journalist contacted a my colleague Sian Miller on 16th September, trying to track down the original source. It's been passed on many times, and in the way of most internet memes has mutated along the way. It struck me as…
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Color wheels are wrong? How color vision actually works
Artists say all colors are a mixture of red, yellow, and blue. But physics and TV screens and printers disagree. How does color really work?
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Can you see the flag on the Moon with a telescope?
The answer is basically "not a chance". No Earthbound telescope can see the flag on the Moon. Why not? For openers, the Earth's atmosphere is never steady enough to allow resolution below about one arc second for most locations. Beyond that, the telescope required to "see" the flag would need to be absolutely huge!…
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