James has been writing about technology for years but has loved it since the early 90s. While his main areas of expertise are maker tools -- 3D printers, vinyl cutters, paper printers, and laser ...

Ultrafast lasers are lasers that produce short pulses of light, typically less than one picosecond. These devices often rely on techniques such as mode locking to create a train of pulses. Ultrafast ...

Free-electron lasers create coherent light by constantly accelerating a beam of electrons. Free-electron lasers are particularly useful because they can produce radiation with a short-wavelength, down ...

Whether you're mounting fixtures, installing shelving, or hanging artwork in your home, it's critical to ensure the item is perfectly level. While traditional bubble levels are useful for quick checks ...