Robots are getting better at sniffing out smells thanks to improvements in electronic noses (e-noses). A comprehensive review of the state of robot olfaction, published in the journal npj Robotics, ...

A new gas sensor using ruthenium dioxide nanosheets achieves ultra-sensitive ethanol detection down to 5 ppb, enabling real-time breath alcohol monitoring at under 30 milliwatts.

It is common to employ gas sensors to monitor environmental contamination and detect low amounts of combustible or explosive gases. Monitoring gases, humidity, and moisture in medical environments, ...

When it comes to household dangers that can kill you, few unsettle me more than carbon monoxide. I wrote about other toxic ...