I would trade a cow for these magic beans. Seriously. "Coffee Joulies" are a new invention that are stainless steel "beans" that keep your coffee at the perfect temperature for several hours. Hours. How do they work? Their Kickstarter page says: This material is designed to melt at 140 degrees Fahrenheit, and absorbs a lot of energy as it melts. This is how Joulies cool your coffee down three times faster than normal. Once it reaches this temperature, the special material begins to solidify again, releasing the energy it stored when it melted. This is how Joulies keep your coffee...