To make aerated concrete, add a foam-forming agent and stir in a significant amount of air. This serves to make the concrete ...

Every system administrator worth their salt knows that the right way to coax changes to network infrastructure onto a ...

Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to ...

These days, it can be hard to remain competitive in online shooters without spending your entire life dedicated to the sport.

There’s a seemingly unending list of modifications or upgrades you can make to a 3D printer. Most revolve around the mechanical side of things, many are simple prints or small add-ons. This ...

It’s no surprise that NVIDIA is gradually dropping support for older videocards, with the Pascal (GTX 10xx) GPUs most ...

In almost every measurable way, a lossless digital audio file is superior to any analog media. This doesn’t mean that analog audio isn’t valuable though; plenty of people appreciate ...

There are five general senses: touch for feels, taste for food, smell for avoiding trash, hearing for sounds, and, of course, ...

At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped ...

Not every impulsive purchase on eBay leads to possession of a wooden Dalek, but when a friend did exactly that, [Tony Goacher ...

Optical Character Recognition (OCR) forms the bridge between the analog world of paper and the world of machines. The ...

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 ...