Pennsylvania state Rep. Melissa Shusterman says her legislation cracking down on ghost guns is "common-sense." ...

Tohoku University developed a durable steel-aluminum alloy via 3D printing, overcoming brittleness challenges with advanced ...

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

Sometimes, live throughs up unexpected problems, but when you have a 3D pen, you can fix anything. What was your favorite hack?