Researchers have created “Smart Underwear,” a wearable device that measures flatulence by detecting hydrogen produced by gut microbes. Early tests suggest people may pass gas about 32 times a day—much ...
A new water sensor built from leftover refinery sulfur can tell mercury, silver, and iron apart at very low levels. That turns an unwanted industrial residue into a tool that could spot contamination ...
While fuel cells generate clean energy, fuel cell sensors generate precise measurements and are a gold standard for breath alcohol analysis.
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