How to build your own air quality meter with a Raspberry Pi and CO2 sensor

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

Do You Need A Special Socket To Remove O2 Sensors?

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 ...

How Your Smartwatch Tracks Sleep (And How Accurate It Really Is)

How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...
Indiatimes on MSN

Icarus: Oxygen supply explained

Surviving in Icarus means managing your oxygen meter. This guide shows how to get more oxygen by mining Oxite, using the ...
Fix It Homestead on MSN

The detector date code you should check tonight and where it’s hidden

Your smoke and carbon monoxide detectors quietly decide how much time you have to escape a fire, yet the tiny date code that ...
The New York Times

19 Things You Didn’t Know Your iPhone Could Do

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Wirecutter Staff No matter ...