The Heatswell In ActionVia the outstanding coffee news website Sprudge.com comes this hypnotic and also creepy video of a breakthrough in scientific coffee sleeve technology.
As you can see from the video, the clever inventors of the Heatswell cup have found a way to attach a thin layer of substance (plastic? Polymer?) to a disposable paper coffee cup. When the cup is heated (as when you pour coffee into it) the layer self-inflates. It's a cup and a cup sleeve all in one! Except icky and weird, and oddly bumpy.
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