Monthly Archives: August 2018

Measuring Magnets with Mils

The Casio fx-260 Solar scientific calculator is a handy little device. I recently found one on ebay that’s even handier; it has a magnetic...

Bitcoin’s energy usage

This is excerpted from this early 2018 Guardian article: Bitcoin’s energy usage is huge – we can’t afford to ignore it: www.theguardian.com. “Bitcoin’s electricity...