It is a common practice to lockout and/or tagout control devices. In a nuclear power plant’s control room with its many analog controls, you might (for example) see red covers over specific switches.

A new low-power technique for detecting the spin of electrons in a non-magnetic system could aid the development of spintronics devices that work using ferroelectricity rather than ferromagnetism.

The Satechi IQ Plug is so smart, it can control any device plugged into it. It also shows you how much power is being consumed and even has a weekly programmable schedule for turning a device such as ...

(NEW YORK) -- TASERS, also called "electrical control devices," have been used by law enforcement since the mid-1970s, with the intention to help subdue resistant suspects without physical contact or ...