Called the Ray, this laser cutter comes with either a powerful 40-watt laser for $1,299, or a 20-watt version for $999, a price that puts it in direct competition with Glowforge's new laser, the Aura.

If you haven’t noticed, diode laser engraver/cutters have been getting more powerful lately. [Cranktown City] was playing with an Atomstack 20 watt laser and wondered if it would sinter sand … ...

According to Glowforge, the Basic is about a third the speed of the Pro in burning, with a slightly weaker 40-watt laser. Despite this, the Basic was speedy enough in test cuts and engravings.

Portable laser magnetometers. In practice, a 20- to 50-watt laser small enough to load on a truck or boat tuned to the orange sodium line (589 nanometer wavelength) would shine polarized light ...