# Scientists just built a robot smaller than the width of a human hair (!)

It has no motor, no comput...

Canonical URL: https://www.traeai.com/articles/3f1552ca-00d4-43a4-8e0d-bf12171d19a4
Original source: https://x.com/rowancheung/status/2049508067239506263
Source name: Rowan Cheung(@rowancheung)
Content type: tweet
Language: 英文
Score: 7.5
Reading time: 1 分钟
Published: 2026-04-29T15:16:15+00:00
Tags: 微型机器人, 3D打印, 电场驱动

## Summary

科学家们制造了一种比人类头发还细的微型机器人，无需电机、计算机和电池，通过电场驱动在液体中像蛇一样游动。

## Key Takeaways

- 微型机器人由3D打印的微小链段组成。
- 该机器人在电场作用下能在液体中游动。
- 这项技术展示了微型机器人在无动力条件下的运动能力。

## Outline

- 引言 — 介绍一种比人类头发还细的微型机器人。
  - 机器人结构 — 描述机器人由3D打印的微小链段组成。
  - 驱动机制 — 解释机器人如何通过电场驱动在液体中游动。

## Highlights

- > Scientists just built a robot smaller than the width of a human hair (!) — 第 1 段
- > It has no motor, no computer and no battery — 第 1 段
- > It's a 3D-printed, flexible chain of microscopic segments that, after being hit with an electric field, started swimming through liquid like a snake. — 第 1 段

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