How to build a CO2 laser cutter

A CO2 (carbon dioxide) laser generates generates laser light when electricity produces light as it speeds through a gas-filled tube and is reflected by a mirror at each end of the tube. The light is totally reflected by one mirror, and partially reflected by the other. The light that goes through the mirror constitutes the […]

Spray Tips: Mass Flowmeters

Mass flowmeters and controllers (MFMs and MFCs), sometimes called thermal mass flowmeters, are electronic devices that indicate flow by measuring the thermal properties of a given gas.