Biodegradable sensors attached to plants detect pesticides in 3 minutes

Researchers at the São Carlos Institute of Physics at the University of São Paulo (IFSC-USP) in Brazil, led by Paulo Augusto ...
The New York Times

The Fear of Burst-Pipe Calamity Haunted Me. This Simple DIY Device Has Brought Me Peace.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan covers air and water filtration, as well as ...
XDA Developers on MSN

This ESP32 project replaces a leaking shower head with a live temperature display that glows from blue to red

No more sheepishly putting a hand under the water to test it yourself.
Hackaday

Building A Device To Map Magnetic Fields

Magnetic fields are all around us. We can’t really feel or see them ourselves, per se, but we can map them with the right ...