Your average laser pointer just doesn’t have the appropriate beam for this kind of work, but with a diode pulled from a DVD burner and a driver circuit made from parts out of the junk bin ...

This isn’t the first laser engraver we’ve seen built out of scrap parts, though if you want to save some work you could just upgrade a cheap commercial model.

The 2LS series of lasers and levels are suited for home builders, remodelers, concrete formers, mechanical contractors, drywall and ceiling installers. Orion auto optical digital levels comes with ...

TOPCon solar cells are on their way to fully compete with PERC solar products, according to recent research from Germany’s Fraunhofer ISE. Efficiency gains for the TOPCon concept, however, are ...

“To our best knowledge, this is the first publication dealing with TOPCon shingle solar cells separated by thermal laser separation (TLS) and edge-passivated by the passivated edge technology ...

OEM parts are often more reliable and more expensive than aftermarket parts. Aftermarket parts are more widely available and cheaper than OEM parts. Whether an OEM or aftermarket part is best ...

Laser levels offer precision, reliability, and a measure of safety. Unlike traditional bubble levels, laser levels project a beam of light that serves as a reference point for various construction ...

Earlier this year the U.S. Army shot down a number of hostile drones in the Middle East using a weapon long dismissed as more science fiction than reality—the laser. After decades of costly ...

But if they break or malfunction, these fixtures can cause major problems. If you’ve got a burst pipe on your hands, we recommend calling a plumber immediately. Here’s how much you can expect ...

Laser pointers (sometimes known as laser pens) are compact, handheld laser devices. They are typically used to highlight an object or point of interest by illuminating it with a bright spot of colored ...

The best color laser printers are a great investment that can save you time and money compared to cartridge-based inkjet printers. Laser printers use toner, which lasts a long time, delivering a ...

One solution could come from a technology called “free-space optics” (FSO), which uses lasers to transfer data through the air. It was pioneered in the 1960s by NASA and for decades has been a ...