Laser interferometry has emerged as a powerful tool for the precise measurement of gear profiles, which is crucial for ensuring the performance and reliability of gear systems in various applications.

“Laser cutting has the same requirement. You need to find the thinnest kerf. That thinnest kerf should be a 0-focus command ±0.5 mm.” The base focus sets the zero point for the gears in the cutting ...

Using common materials (laser pointers, polarizing filters, and calcite), anyone can reproduce this experiment at home. If this sparks curiosity, explore Hackaday’s archives for quantum mechanics.

For precision, speed, and fine-detail, only the best laser engraver will make the cut. I tested out a range of laser engraving machines, and these are my top-rated recommendations for crafters ...

If you buy something via one of our links, we may earn a commission. The DeWalt 20V/12V Max Laser Level Kit is on sale for $386, a 42% discount from its normal price of $662. This comprehensive ...

Cut down on your TV expenses this year. Streaming offers variety, including live sports and news, all without the need for a contract. David reviews TVs and leads the Personal Tech team at CNET ...

GameSpot may get a commission from retail offers. Microsoft has officially announced the next entry in the Gears series, and it's going back in time. Gears of War: E-Day, as it's called ...

Colors group similar values. 80+ is green, 50ish-80, blue, and below 50, red. Cycling enthusiasts, whether they’re seasoned pros or just starting out, often find themselves pondering the complexities ...

When anyone mentions the word "biker," it elicits a specific image. Aside from a man on a motorcycle, it's a man in jeans, a T-shirt, boots, a leather jacket, and/or a leather vest. An image that ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Opinions expressed by Forbes Contributors are their own. Marc Berman is a New York-based reporter who covers media.