More articles by Stephen J. Mraz

Fredserts give engineers a new way to put bolts in soft metal

Platinum e Motors from Leeson Electric Corp., Grafton, Wis., use a range of advanced features that increase their efficiency and power density, letting customers get more power out of smaller motors

Lithium-ion battery packs, which are becoming more common in electric vehicles, energy-storage, network back-up devices, and other industrial applications, can become overpressured if gas accumulates inside

There seems to be a consensus among readers we heard from that the government and big business aren’t providing much in the way of training for science and technology jobs and careers while cutting way back on real R&D

It sometimes seems that professions and workers represented by unions do better than those without them. Examples include school teachers, autoworkers, airline pilots, state-employed doctors and dentists, and a host of others

Software and new lighting helps pilots land aboard aircraft carriers

BYU electric vehicle new speed records

E-volvo, a German firm, has totally redesigned the helicopter. Its multicopter boasts 16 electrically powered propellers divided into four groups of four

Engineer movies and sprinklers to fight fires

Ultra-sensitive Design Flex pressure switches resist shocks and vibrations