Barocal can cool your food and drink by squeezing a hunk of plastic crystalshttps://techcrunch.com/2026/05/04/barocal-can-cool-your-food-and-drink-by-squeezing-a-hunk-of-plastic-crystals/ by PaulHoule • 1 month ago 2 1 1 month agoTEtechcrunch.com