Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

The Commodore 64 Ultimate is the most astonishing retro product I have ever reviewed. I was expecting it to be a straightforward, modern take on the all-time best-selling personal computer. I imagined ...

The Commodore 64 Ultimate lives up to its name by serving as a definitive microcomputer remake. While its price tag and authentic functionality will appeal to enthusiasts first and foremost, its HDMI ...

Posts from this topic will be added to your daily email digest and your homepage feed. The Quickshot II first launched in the early ‘80s but is back with extra buttons and a USB upgrade. The ...

What might a laptop version of the Commodore 64 have looked like if one had been released by the late 1980s? This is the question that [Kevin Noki] tried to recently answer with a custom C64 laptop ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

While fluorophore-biomacromolecule systems are relatively well known, afterglow luminophore-biomacromolecule conjugates/complexes are rarely studied. Here, the authors report the development of a ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...