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New ‘negative light’ technology hides data transfers in plain sight
(www.unsw.edu.au)
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this post was submitted on 14 Mar 2026
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We're all the way back around to IR diodes now? Is this just early 2000s retro stuff, and we're going too get physical keyboards on our phones again soon?
My newish Xiaomi has an IR diode which is very useful to switch the AC on or off when I can't be bothered to find the remote, and to mute TVs in restaurants.
It has a 3.5mm audio jack too.
I used to love turning town loud TVs in bars back when IR blasters were common.
They invented a really neat diode. It creates electricity when it emits ir. But of course that isn't enough to get research funding which is why they make ridiculous hype.