Doctors take a microscopic craft loaded with cancer-killing chemicals, inject it into the human body, and drive it to a malignant tumor to deliver its payload before making a quick exit.
For most of the 55 years since “Fantastic Voyage” shrank Raquel Welch and company down to the size of a cell to zap a blood clot out of a scientist’s brain, that scenario has been pure science fiction.
But Bionaut Labs, a remote-control medical microrobot start-up, intends to be the first company to make it a clinical reality.
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