Purpose and function of elevated water storage tanks.

Posted 5 years ago by nikkiphillippi in category: interesting   Comments (0)

Steven Pruitt has done over 3 million edits on the website.

Posted 5 years ago by Pistool in category: interesting   Comments (3)

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Aerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically the lightest.

Posted 5 years ago by boyt in category: interesting   Comments (0)

Posted 5 years ago by SlickL in category: interesting   Comments (0)