**Barocal can cool your food and drink by squeezing a hunk of plastic crystals** Barocal might have discovered a cheap, nonpolluting material that could dethrone today's refrigeration technology. Read more: https://techcrunch.com/2026/05/04/barocal-can-cool-your-food-and-drink-by-squeezing-a-hunk-of-plastic-crystals/
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