Letters to the Editor 19858 By Science News July 13, 2007 at 12:32 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print This article was written as if this was a newly discovered technology. I have been using an electric shaver with induction recharging for years. Mike YorkPhoenix, Ariz. The ability to project electrical power some distance suggests a possible method to detonate or disable improvised explosive devices. Josef HeitWebster, N.Y. Several readers pointed out that wireless induction already powers various devices, such as cochlear implants.