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Watch this bead chain loop defy gravity and bend physics

Science is unendingly cool because it can consistently confound the expectations of researcher and layman alike. Case in point, what do you figure would happen if you had a bead chain coiled up in a small container, then pulled one end out? You probably didn’t guess that it would leap up and uncoil like a tiny metallic snake, but that’s what happens. This demonstration is sometimes called Newton’s Beads. It’s an unexpected trick of physics, but the mechanics behind it are fairly simple. When the end of the chain is dropped from the container, it exerts upward force on the next section of the chain. At first the links slowly slither out, but as the fallen portion gets longer, it pulls more strongly and causes the chain to be pulled faster. via Geek.com.

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