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Picotaur: The Tiny Robot with Giant Potential

Imagine a disaster site where human rescuers can’t safely enter. Now picture hundreds of ant-sized robots crawling through rubble, climbing over debris, and mapping the danger zones. That’s the promise of Picotaur, a groundbreaking 7.9 mm microrobot developed by researchers Sarah Bergbreiter and Aaron Johnson.

Picotaur is the first robot of its size that can walk, run, jump, turn, push objects, and climb miniature stairs. Inspired by insects, it uses multiple actuators to switch between walking like a cockroach and hopping over obstacles.

Built using two-photon polymerization, an advanced 3D-printing method, Picotaur features a two-degree-of-freedom leg mechanism for agile movement. In tests, it could push a ball across a mini soccer field, turn, and score—showing impressive navigation skills for its scale.

Potential uses range from disaster rescue to medical micro-surgeries, industrial inspections, and environmental monitoring. The next challenge is powering it without tethers, possibly using tiny solar cells.

Microrobotics is still in early stages, but the possibilities are vast. From saving lives after earthquakes to repairing damage inside the human body, Picotaur proves that the future of robotics isn’t just big—it’s incredibly small.

Read full article here: https://www.uncoverreality.in/2025/08...

Reference:
Sukjun Kim et al, Picotaur: A 15 mg Hexapedal Robot with Electrostatically Driven, 3D‐Printed Legs, Advanced Intelligent Systems (2024). DOI: 10.1002/aisy.202400196

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