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Wireless-controlled contraception implant is coming, says MIT

Charles 9 Silver badge

Then the solution for a malcontent is to use one of two things: more power or better direction. With enough power (regulations be damned) you can hit the thing across the room. It's also possible to use a WiFi directional antenna that focuses the directed energy, allowing for a longer range albeit at a narrower angle.

That's always been the fear with NFC. Sure, the spec only provides enough power for a point-blank shot, but what malcontent's going to stick with the standard, and how will the NFC device be able to tell the difference on its end?

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