'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.
The thermostat is a temperature controlled valve. The spring loaded valve is attached to a small cylinder filled with thermal wax. As the engine warms up, coolant transfers heat to the wax-filled cylinder. The heat causes the cylinder to expand and pushes down on the spring loaded valve.