The world is full of amazing substances. Steel gives skyscrapers the strength and flexibility to defy gravity. Paper can be soft enough to wipe our noses, or strong enough to cover airplane wings.
And then there are some substances that — while almost entirely useless — are so incredibly satisfying, they captivate our attention. So please sit back, ands take in these twelve GIFs of incredibly satisfying substances, from metal that melts in your hand, to magnet-munching putty. We dare you not to want them.