We may receive a commission on purchases made from links. Measuring things is an essential part of building—whether you're a professional contractor or an occasional DIY-er, you must have a reliable ...

Researchers set a record by guiding light in 45-meter-long air wave-guides. It's not at every university that laser pulses powerful enough to burn paper and skin are sent blazing down a hallway. But ...

[Andrew] got a little help from his friends to hack a laser distance meter. Using laser distance meters as sensors is one of the great quests of hackers – with good reason. Accurate distance readings ...

Laser distance meters are easy to use, accurate, and accessible hand-held devices that can measure up to 150-250 metres, making them versatile in everyday use. They are the ideal option for projects ...

I signed the papers on my first house today! In celebration, I started looking for some home hardware hacks, but stumbled across this old (2003) laser power meter sensor. If you like to scare off the ...