How does a rear diffuser work on a car? What is the purpose of a diffuser? In this video I explain the science behind ...

University of Utah researchers have shown a holographic 3D printing method that forms tiny structures in about 20 seconds, but its biggest limitation keeps the breakthrough firmly in lab territory.

Open up the world of printing anywhere in the world with these portable printers from Canon, HP, Epson, and Kodak. By Brandt Ranj Updated Jun 18, 2025 3:10 PM EDT Add Popular Science (opens in a new ...

Thermal and impact receipt printers do the same job but are suited to different locations.

Warning: This article contains full spoilers for Dune: Part 2! And if you're just here to find out whether there's a post-credits scene at the end, there isn't one. Denis Villeneuve's latest movie has ...