Glass, a ubiquitous material, is surprisingly made from ordinary sand. Intense heat, comparable to a space shuttle's re-entry ...

Do you want to find out how glass is made? BOY:Yeah. GIRL:Yeah. CURIOUS CAT:Well, glass starts off as sand. CURIOUS CAT:'A bit like the sand you might find on a beach. But to make clear glass ...

MIT engineers have used 3D printing to create reusable glass bricks that withstand as much pressure as concrete blocks.

New glass is made from four main ingredients: sand, soda, ash, and limestone. While there is no shortage of these raw materials yet, they have all been quarried, which can damage the landscape ...