Smart home automation is the ultimate life hack, in my humble opinion. Whether for efficiency, accessibility, nerding out, or just plain laziness, all you need are smart home devices and a little ...

The pH sensor is calibrated outside the bioreactor using buffers at pH 4 and pH 7 (left). The sensor is then built into the bioreactor and sterilized by autoclaving (middle).

A graduate student at Southern Methodist University (SMU), has developed a miniature pH sensor that can detect when food has spoiled in real-time.