If you live near Central Park or some other local chess hub, you’re likely never short of opponents for a good game. If you ...

Stephen] has a basement that depends on a sump pump. What that means is if the pump fails or the power goes out, the basement ...

Analog dials used to be a pretty common way of displaying information on test equipment and in industrial applications. They ...

Folaefolc] was craving a new keyboard build a few weeks ago and got inspired by the humble 3.5″ floppy disk. So much so that ...

For a lot of electrical and mechanical machines, there are nominal and peak ratings for energy output or input. If you’re in marketing or advertising, you’ll typically look at the peak ...

Most RC planes follow a simple control scheme: elevators for pitch, rudder for yaw, and ailerons for roll. This one-to-one ...

It is hard to imagine that there was a time when having a keyboard and screen readily available was a real problem for people ...

There’s an old joke that they want to send an exploratory mission to the sun, but to save money, they are going at night. The European Space Agency’s Solar Orbiter has gotten as close ...

MindYourDecisions] presents a Babylonian tablet dating back to around 1800 BC that shows that the hypotenuse of a unit square is the square root of two or 1.41421. How did they know that? We ...

What if GPS had existed in 1565? No satellites or microelectronics, sure—but let’s play along. Imagine the bustling streets ...

Kevin] doesn’t stock zener diodes anymore. Why? Because for everything he used to use zeners, he now uses TL431 bandgap ...

“They don’t make them like they used to.” It might be a cliché, it might not even be entirely true, but there’s something special about owning a piece of hardware that was built to a much ...