A new sensor increases smartwatch battery life five times

Nearly 80% of the battery power in smartwatches is used up by the heart-rate monitor. But a new generation of sensors developed by EPFL startup ActLight consumes five times less energy. They have been tested and calibrated, ...

A self-powered heart monitor taped to the skin

Scientists have developed a human-friendly, ultra-flexible organic sensor powered by sunlight, which acts as a self-powered heart monitor. Previously, they developed a flexible photovoltaic cell that could be incorporated ...

Green homes use 80 per cent less energy

Clever, inexpensive design can cut the energy used in new homes by up to 80 per cent, says a Queensland University of Technology (QUT) researcher.

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