---
title: "Scientists just built a robot smaller than the width of a human hair (!)\n\nIt has no motor, no comput..."
source_name: "Rowan Cheung(@rowancheung)"
original_url: "https://x.com/rowancheung/status/2049508067239506263"
canonical_url: "https://www.traeai.com/articles/3f1552ca-00d4-43a4-8e0d-bf12171d19a4"
content_type: "tweet"
language: "英文"
score: 7.5
tags: ["微型机器人","3D打印","电场驱动"]
published_at: "2026-04-29T15:16:15+00:00"
created_at: "2026-04-30T05:05:58.706415+00:00"
---

# 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

## 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。

## Content

Title: Rowan Cheung on X: "Scientists just built a robot smaller than the width of a human hair (!)

It has no motor, no computer and no battery

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.

Try to https://t.co/OfDpkqJ8rO" / X

URL Source: http://x.com/rowancheung/status/2049508067239506263

Published Time: Thu, 30 Apr 2026 05:05:23 GMT

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Markdown Content:
# Rowan Cheung on X: "Scientists just built a robot smaller than the width of a human hair (!) It has no motor, no computer and no battery 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. Try to https://t.co/OfDpkqJ8rO" / X

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## Post