Disney researchers have developed a microphone that lets a
user record a voice message and then relay that message to another person
simply by touching them with a finger.
According to wired.com.uk, the microphone converts the voice
message into an inaudible signal which is transmitted to the body of the person
holding the microphone as an inaudible signal. It can then be transmitted from
that person's body to another person's body through touch. The recorded sound
only becomes audible when touching someone else's ear.
Their ear canal acts as a sort of speaker, allowing them to
listen to a secret finger-transmitted message. The sound can't be heard by
anyone else but the person being touched.
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