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Worlds smallest robots powered using micro brains come to life

The microscopic swimming machines can sense their surroundings, make decisions, and operate independently for months at a time.Barely visible to the naked eye, each robot measures about 0.2 mm by 0.3 mm by 0.05 mm, placing it squarely at the scale of bacteria and single-celled organisms

17 Dec 2025 7:37 am