📖+10 XP
🎧+10 XP
✅+15 XP
Level A1 – BeginnerCEFR A1
2 min
72 words
- Scientists made very small programmable robots in the lab.
- The robots are about the size of microbes.
- They swim in water and have no moving parts.
- Bright light gives them energy and simple instructions.
- Each robot has its own unique identifier.
- Some robots measure temperature with small sensors.
- The robots wiggle to send measured data as signals.
- They can operate for many months without help.
- Each robot costs only about one penny.
Difficult words
- programmable — Can follow set computer instructions
- microbe — A very small living thingmicrobes
- sensor — A small device that measures somethingsensors
- signal — A sign or message sent between thingssignals
- identifier — A code or name that shows identity
- wiggle — Move with small quick side to side motions
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Would you like a tiny robot that swims?
- Would you use a robot to measure temperature?
- How long would you want a robot to work without help?
Related articles
25 Jun 2026
26 Dec 2025
28 Nov 2025
Algorithms show how catalysts turn propane into propylene
Researchers at the University of Rochester developed algorithms that explain how nanoscale catalysts convert propane to propylene. The work reveals atomic features of metallic and oxide phases and could help improve industrial production methods.
11 Feb 2026
Study: Low numbers of women in science academies
An international analysis finds women made up about 19% of academy members in 2025, with little change in recent years. The report highlights leadership gaps, higher reports of harassment, and calls for stronger gender equality measures.
15 Dec 2025