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There’s something magnificently creepy about this tiny bot, just one millimeter wide, developed at Israel’s Technion University. Maybe it’s the resemblance to a twitching tick or flea, or the fact that it’s so small there could be insectile bots all around you right now and you’d hardly notice. (The robot, called Virob, has no internal power source–it derives its power from external magnetic fields.

Or maybe it’s that the bug is designed to infiltrate human veins, autonomously crawling around our circulatory systems, taking pictures and poking its feelers where no ‘bot has gone before.

Fortunately, Virob is only designed for benign, wholesome uses, like microsurgery.

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