3 ms·

Wirelessly powering something that sits in my eye? I don't think so. Isn't it about 10,000 times easier and safer to do a HUD using glasses than contacts?

• Cushman 15y ago
  At these scales? Probably not.
  • dholowiski 15y ago
    From the article: "The test lens was powered remotely using a 5-millimetre-long antenna printed on the lens to receive gigahertz-range radio-frequency energy from a transmitter placed ten centimetres from the rabbit's eye. " I'm a pretty rational person and I have no problem holding a cell phone up to my head, but this scares me.
    • CamperBob 15y ago
      It shouldn't scare you. They'll be using milliwatts of RF, nowhere near enough to heat your lenses.
    • wcoenen 15y ago
      Why? It would probably be a much weaker signal than that of a cellphone (~500 milliwatts). Assuming the tech is similar to short-range RFID, it could run on a transmission power of a few milliwatts.