Formica pharaonis Myrmica pharaonis The pharaoh ant (Monomorium pharaonis) is a small (2 mm) yellow or light brown, almost transparent ant notorious for being a major indoor nuisance pest, especially in…

A variable-frequency drive (VFD, or adjustable-frequency drives, adjustable-speed drives, variable-speed drives, AC drives, micro drives, inverter drives, or drives) is a type of AC motor drive (system incorporating a motor)…

Watford Gap /ˈwɒtfərd ɡap/ is a low-lying area between two hills, close to the village of Watford, Northamptonshire, England. Engineers from Roman times onwards have found it to be an…