The Warren Medical聽Museum in Boston is a fascinating place, named after Dr. John Collins Warren who performed the first surgery under ether anesthesia in 1846. On view is the actual flask that...
All fireworks rely on a combustion process that has three basic requirements: some sort of fuel to burn, a supply of oxygen, and a source of energy to initiate the reaction between the fuel and the...
The thick liquid used to be called "oil of vitriol," since it was originally made by the distillation of "green vitriol," or iron sulfate as we know it today.聽 It was so corrosive and nasty that...
It must have been quite a scene.聽 The little man, no more than five foot four, dressed completely in white, center stage, playing pitch and catch with a chimp.聽 But there was no ball in sight.聽 Dr....
Silver is more than just an object of beauty.聽It鈥檚 the stuff of memories.聽Prior to digital photography, all picture taking relied on compounds of silver.聽The reduction of silver ions to metallic...
RSS