This Tin Foil Can Hold the Universe's Largest Burrito

You are looking at the largest piece of tin foil in the planet, one of the James Webb Space Telescope's sunshield membranes. There will be five of these membranes, which will keep its core at 50 Kelvin (-369.67F or -223.15C). » 5/09/12 9:12am 5/09/12 9:12am