Aerogel

Aerogel ,the lightest known solid material was created by the American scientist and chemical engineer, Samuel Stephens Kistler in 1931. It is also known as frozen smoke, solid smoke and blue smoke. It consists of 99.8% air.It is the best known insulator(materials which do not conduct electricity)and can support 2000 times its own weight.The brick shown on the picture is kept on an Aerogel.