Image by/from Elliott & Fry Sir William Ramsay KCB FRS FRSE (/ˈramzi/; 2 October 1852 - 23 July 1916) was a Scottish chemist who discovered the noble gases and received the…

Image by/from Longhair at English WikipediaKerosene, or paraffin, is a combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in aviation as well as…

Image by/from Eagle Shooter at flickrProduct displacement is the removing of trademarked products from primarily visual media in order to avoid the payment of licensing fees, if the trademark owner…