I started building a Tesla coil in September, 2019 for a Physics & Engineering course. It took me five months to build and can increase the voltage from a 120-volt wall outlet to 1.1 million volts. It can even remotely light up a fluorescent light tube!
A light bulb powered with no wires? A cell phone charger that doesn't need to be plugged in? A home with no plugs, no wires and everything just 'works'? It's not magic, it's no mystery, it's science! Follow my detailed procedure on Instructables: