Caterpillars respond defensively to electric fields similar to those emitted by their natural predators, scientists have found. Caterpillars respond defensively to electric fields similar to those ...
The design of the circuit established the usage of Field Effect Transistors (FET) , as a precise detector of static electricity. It detects the invisible fields of voltage encircling every item ...
When you hear the word “electricity”, thoughts of power lines or household appliances are probably conjured up in your mind. But electricity is not just a modern human phenomenon – it was around long ...
You might have heard of electrets being used in microphones, but do you know what they are? Electrets produce a semi-permanent static electric field, similar to how a magnet produces a magnetic field.