Quantum Hall is the quantum-level version of the Hall effect: a voltage produced as electrons flow through a magnetic field. In two-dimensional materials and at low temperatures the quantum mechanical ...

A common sight in ‘smart homes’, door sensors allow you to detect whether a door is closed or open, enabling the triggering ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...