MIT’s New Breathable Hydrogel Could Be a Step Toward Self-Cooling Wearables

You know what would be great, especially as we barrel toward an increasingly sweaty future thanks to climate change? Clothes that don’t just wick away sweat, but actively cool you down. Imagine going for a jog under a blazing summer sun, but your shirt, socks, or even your underwear actually cool your skin. According to…