CNN CNN Newsroom November 28, 2013 15:43:00
Put your goggles on for safety today. i brought my best approximation of a comet this morning. so i have a hunk of dry ice. and i'm going to actually put it in this beaker, which i'm going to fill with water. now the dry ice is about 100 degrees below zero. the water is at room temperature. what would you predict would happen to the water? >> it will turn like a dry, icy dirt ball. should i fill it full? >> halfway. >> halfway, okay. >> so i have my hunk of dry ice. again, it's about 100 degrees below zero, room temperature. most folks would predict that the water would just freeze because you...