"Bionic" is short for Bio-Electronic, as in: "utilizing electronic devices and mechanical parts to assist humans in performing difficult, dangerous, or intricate tasks, as by supplementing or duplicating parts of the body: 'The scientist used a bionic arm to examine the radioactive material'".
While it may be possible, I would not want to get a cybernetic implant just to control a ventriloquist's dummy.
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The mere fact that science may not yet adequately explain an object, event, or experience does not mean the immediate explanation should automatically default to a conspiratorial, extraterrestrial, paranormal, or supernatural cause.
