Tired of texting your long-distance lover to say how much you care? A Scottish research lab hopes to connect couples with something a bit more poetic: "painted" light. Users of Mutsugoto wear touch-activated rings tracked by motion-sensing cameras mounted above their beds; caress your own arm and a matching beam of light sweeps across your partner's arm. Couples who break up can turn to the lab's other project—a remote fighting game, reports the BBC.
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