Unlike traditional bubble levels, laser levels project a beam of light that serves as a reference point for various construction and DIY tasks. Whether you’re hanging pictures or tackling larger ...

The four-person Polaris Dawn mission launched aboard a SpaceX Crew Dragon capsule early Tuesday morning (Sept. 10). Later ...

[rog8811] shared his laser lighter with ... might take forever to actually light a cigarette with it. His build log is quite nice with diagrams and detailed pictures of the whole process.

Because the photo diode outputs current ... Finally, because our mirror reflected most of the laser light, and the glass slide much less, the reflection from the mirror was dominating the signal, and ...

Why spring for a laser printer? The best ones deliver unparalleled speed, pristine text, and reliable paper handling. Find ...

The best photo printers deliver high-quality photo prints at home, in the office, or on the go. Here are some of our favorite photo printers.

Some night-vision goggles include zoom or magnification—especially handy on very dark nights or if you hunt small animals. For hunters or those looking to quickly spot living creatures, goggles built ...

The filter makes it so that each sub-pixel in the image sensor only sees red, green, or blue light. The Bayer filter is an elegant tool that gives us color digital photos, but what would you do if ...

Further, the 500mW coherent laser beam found in the Lyma laser penetrates the layers of skin and transfers light energy into ... several before and after pictures that showcase the ...

Epson has unveiled a trio of ground-breakingly bright new home theater projectors with the potential to revolutionize the way projectors both handle high dynamic range video and integrate into ...

Beauty tech is so popular a luxury hotel now offers red light therapy face masks as an amenity for guests. But what is LED ...

But if you don't print photos, there's a strong argument for considering a laser for light-duty home use, as well, particularly if you leave your printer off for long stretches. Unlike ink in ...