This mesmerizing video not only demonstrates magnetism eloquently, but it also shows a rare-Earth magnet (made of boron neodymium) disappearing inside of silly putty mixed with iron oxide powder.

WATCH: "Ball of Putty Swallows Rare Earth Magnet in HD"

Wayne Devin, the video's creator, explains how (and why) this happens:

Additionally, Phil Plait, from Slate's "Bad Astronomy" blog, explains why this video is much cooler than you think here.

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