# This CPU uses solar power to 'run computations' without the need for batteries

> Penn State researchers built a monolithic 3D chip that runs entirely off ambient light without leveraging a batteryThe chip stacks silicon photovoltaics, MoS₂/WSe₂ complementary logic, and graphene chemical sensors…

- **Source:** [TechRadar](https://www.techradar.com/pro/like-photosynthesis-in-plants-this-cpu-uses-solar-power-to-run-computations-without-the-need-for-batteries?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a55811745433668db922e9c)
- **Published:** 2026-07-14
- **Category:** Computers & IT
- **Tags:** #battery #batteries #power #solar #without #aims #chip #computations
- **Canonical:** http://localhost:4321/a/6a55811745433668db922e9c

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._