Solar-Powered 'Smart' Clothing Could Rapidly Heat or Cool Your Body

I have terrible body temperature control. I stick my head in the freezer when it's sizzling hot outside. Blood vessels in my hands spasm when it's damp and chilly. "I'm hot; now I'm cold" is a running joke in my family. But I'm lucky: Compared to cold-blooded animals, we humans have myriad ways of keeping […]