PURE, which initially built its reputation by developing Internet radio, has added wireless HiFi adapters to WiFi and Bluetooth (shown, front) along with wireless speakers. Plug in the HiFi adapter, and the company claims you can transform a HiFi system into a multi-room audio system. PURE also introduced portable wireless speakers (shown, rear) with WiFi and Bluetooth connectivity. The wireless speaker offers 360-degree sound (mono and stereo). WiFi can be used to stream synchronized audio to multiple wireless speakers in and outside the home.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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