'Flakka': How dangerous is the new street drug? A designer street drug called 'Flakka' is making headlines again with a new incident involving four people going on a rampage in Sullivan, Missouri. What is Flakka and just how dangerous is it?
Voltage clamp. The voltage clamp is an experimental method used by electrophysiologists to measure the ion currents through the membranes of excitable cells, such as neurons, while holding the membrane voltage at a set level.
Volt-ampere (VA) is a measurement of power in a direct current ( DC ) electrical circuit. The VA specification is also used in alternating current ( AC ) circuits, but it is less precise in this application, because it represents apparent power , which often differs from true power .