Now We Have Nano-Refrigerators (Cool Weird Awesome 387)
UCLA scientists have made little thermoelectric coolers that are only 100 nanometers wide, so small the eye can't see them on its own. They're not quite refrigerators yet, but if you have little sodas or bags of grapes, maybe reach out anyway. Plus: on the International Day of Sign Languages, we celebrate the amazing world of sign language interpreters at heavy metal concerts.