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 ...
The Drive

Let’s Find Out If Your Spark Plugs Need Replacing

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...
Electronic Design

Terminal Blocks Test Circuits Without Disconnecting Wires

Featuring built in test points with a lever disconnect switch, the WKC/TKM series of top-mounted knife edge disconnect terminal blocks allow a technician to either test or calibrate a circuit without ...
Business Wire

Personalis Announces New Publication Applying Ultrasensitive ctDNA Testing to Monitoring Cancer Immunotherapy Response Across Solid Tumors

FREMONT, Calif.--(BUSINESS WIRE)--Personalis, Inc. (Nasdaq: PSNL), a leader in advanced genomics for precision oncology, today announced the publication of a new study in Clinical Cancer Research, a ...
The New York Times

If You’re Questioning the State of Your Soil, Here’s How to Test It

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.