Swiss chocolatier starts selling heat-resistant chocolate
Barry-Callebaut has started selling a heat-resistant concoction that can resist temperatures up to 38C;Researchers from the University of Minnesota College of Science and Engineering have released the following videos of tracking heat movements for the first time. This shows heat moving through;It's pouring outside. Since the roof over your head is the best protection from the elements, I decided to look into what types of roofing materials are commonly used to do the job right.There're all kinds of roof shapes from flat to