A Minnesota man accumulated numerous and varied firearms that included homemade guns, according to charges that also allege ...

However, this new slide rule bends the entire rule around a cylinder and allows the slide to move, just like a conventional slide rule. If you have a 3D printer, you can make your own.

More affordable than ever, 3D printers are booming for personal, professional, and educational use. Here's everything to know before you buy one, along with the top models from our hands-on testing.

Credit: Mashable The printer carriage, for instance, hangs on a rod and gravity pulls it down into position. HP had to replace that gravitational bias with a mechanical one. HP turned to 3D ...

The recently-released iPad mini is on sale via Amazon. All Wi-Fi models are $100, which brings the 128GB version down to $399. Apple's AirPods Pro 2 earbuds are on sale for $170 via Amazon. That's ...

Machine learning enabled this breakthrough by accelerating high-performance battery material discovery.