Joshua R. Smith

This experimental setup shows an ultra-low-power wireless communications device that could one day be used in tiny remote sensors. Zerina Kapetanovic

Device transmits radio waves with almost no power – without violating the laws of physics

A wireless transmitter uses almost no power and at first glance appears to violate the laws of physics. It’s actually a clever use of physics that could one day transmit data from tiny remote sensors.

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