Tiny machines will soon be using our veins and vessels as a motorway controlled by powerful magnets to infiltrate every corner of our bodies. Swimming at 10 micrometers per second, the team discovered a front crawl type stroke was the most effective. Magnetic arms propel the bots forward as a magnetic field controls their direction. The bots were challenged to swim in a more viscous liquid than water, mimicking a variety of body fluids.
Preparing the tiny warriors for the inside of the human body, the machines were still able to swim but their pace was halved to around 5.5 micrometers per second. Eric Diller, a microbot researcher at the University of Toronto, said: “It's exciting due to its speed and its really small size, just about the same size as a blood vessel. "It's small enough basically to...CONTINUE READING
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