World’s Strangest

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Knitted Zoopraxiscope Cap

In 1878, photographer Eadweard Muybridge settled a wager made on a widely-debated question: do all four hooves of a horse leave the ground when it runs? Muybridge set up a line of cameras, each of which was triggered when the horse ran into strings placed across its path. The resulting images settled the debate (all [...]

Motion-activated Sprinkler

Even the Wicked Witch is no match for the Scarecrow! Amazon sells the Contech Electronics CRO101 Scarecrow Motion-Activated Sprinkler. The normal purpose of such a device is to scare pets and wildlife (and maybe kids) away from your lawn or garden. However, many folks have their own ideas of how it should be used, as you’ll [...]

Seeing What the Brain Sees

Brandon Keim writes in Wired that scientists are getting closer to reconstructing images that duplicate what the brain actually sees through visual input. Though it’s not actually brain-reading, it’s a small step in that direction: To construct their model, the researchers used an fMRI machine, which measures blood flow through the brain, to track neural activity [...]