[Tito] entered a Self-Charging LED Flasher into the Component Abuse Challenge. It’s a simple re-build of a design by the unstoppable [Burkhard Kainka], and while ...

Abstract: Nowadays, direct current-drive (DC-drive) is the mainstream method of driving electroluminescence (EL) devices such as quantum-dot light-emitting diodes (QLEDs). In contrast, alternating ...

Should you spend some time around the less scientifically informed parts of the internet, it’s easy to find “Free power” stories. Usually they’re some form of perpetual motion machine flying in the ...

Abstract: A 24–40 GHz CMOS differential SPDT switch that covers multiple frequency bands of millimeter-wave 5G communication is presented. The switch has a differential structure in which NMOS and ...

Try these interactive flashcards based on GCSE physics past papers. By working your way through the flashcards created by experts, you can prepare for your physics exams and make your revision more ...