A new paper has come out showing how magnetic fields can be used to extract huge amounts of energy from a black hole, and may power some astrophysical phenomena we see around them. It’s not exactly easy, and it’s not like you’ll be able to charge up your phone or heat your house with this technique (more like you’d vaporize them down to their constituent subatomic particles which would then be accelerated outwards at very near the speed of light*), but it’s still extremely cool.
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.