Water disinfection with ozone

While chlorine and ultraviolet light are the standard means of disinfecting water, ozone is equally effective in killing germs. To date, ozone has only been used as an oxidation agent for treating water in large plants. Now, ...

Innovative method leads to smaller, cheaper IoT sensors

Researchers from the Green IC research group at the National University of Singapore (NUS) have invented a low-cost, no-battery wake-up timer in the form of an on-chip circuit that significantly reduces power consumption ...

Portable "tricorder" scans life signs

Scientists from the School of Engineering at the University of Glasgow have developed a handheld device for taking medical readings from patients, and transferring the data to a smartphone.

Electronic nose recognizes a variety of scents

Freshly ground coffee, popcorn, biowaste or smoke – in the course of life, we get to know different scents and thanks to our nose, we distinguish and identify them even without seeing their source. Scientists of Karlsruhe ...

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