Links for 2010-12-05

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Isaac Newton, when he wasn't revolutionizing mathematics and almost single-handedly inventing physics as a systematic discipline, wrote some really ridiculous stuff. Alchemy, occult esoterica, you name it. In his defense, it was the 1600s. He didn't have a whole lot of prior scientific…
Boo! The optics behind "ghost" imaging « Skulls in the Stars "Ghost imaging is in fact a fascinating and relatively new technique in which a detector can produce an image of an object that it cannot see! The physics behind this effect is somewhat subtle, and resulted in at least one minor…
Amazon.com: From Eternity to Here: The Quest for the Ultimate Theory of Time: Sean Carroll: Books Sure, it looks like a really good book about physics. But where's the talking dog? (tags: science physics books) Built on Facts : Testing 123 "In the physical sciences and physics especially,…
Wave interference: where does the energy go? « Skulls in the Stars The two waves cancel each other out, leaving a completely unmoving string due to destructive interference. My student asked me: what happens to the energy? As posed, it seems that we started with two waves carrying energy, but…