Discover three easy ways to make a homemade cold pack (chemical ice pack) using simple materials and endothermic reactions.
Daily Archives: March 26, 2018
March 27 is the birthday of Wilhelm Röntgen. Röntgen (also spelled Roentgen) was a German physicist who was awarded the first Nobel Prize in Physics for the discovery of Röntgen rays, or as he called them: x-rays. Röntgen was initially investigating cathode rays (electron beam) in vacuum tubes. He had […]