A camera’s image sensor is one of the most important pieces of tech to capture images. It’s the small element deep inside your camera that converts light waves into electronic signals that actually ...

A new simple tool developed by nanoengineers at the University of California, San Diego, is opening the door to an era when anyone will be able to build sensors, anywhere, including physicians in the ...

I built a homebrew environmental sensor that cost R535.90, and found that there were very few benefits over buying a commercial version of the product. Some time ago, I came upon the idea that it ...

Until recently, measuring air pollution was a task that could be performed only by trained scientists using very sophisticated – and very expensive – equipment. That has changed with the rapid growth ...