While there are already electronic devices that detect toxic gases, they can be expensive, and require training to properly use. Soon, though, there could be a cheap and simple alternative – threads ...

Wearable tech is all the rage nowadays. Putting computer and chips on your glasses, on your contact lenses, even on your skin is the common trend, so that we never have to leave our electronic lives ...

Sensing threads prepared with bromothymol blue (top thread), methyl red (middle thread) and MnTPP (bottom thread) are exposed to ammonia at 0 ppm (left panel) 50 ppm (middle panel) and 1000 ppm (right ...