In a short talk at Caltech, physicist Richard Feynman laid out a vision of manipulating and controlling atoms at the tiniest ...
Over on YouTube [Lockdown Electronics] reviews an old bit of kit known as the Silicon Controlled Rectifier (SCR). Invented in the 1950s the SCR is a type of thyristor and they were popular back in ...
A clear explanation of what Bitcoin is, how it works, and why its decentralized design and fixed supply matter.