# Oil Viscosity Keeps Your Engine Alive. A Scientist Just Found Its ‘Absolute Cosmic Limit’

> Cars rely on a variety of lubricants to keep their moving parts from becoming expensive glitter, and that’s all down to viscosity, the ability of a material to flow without deforming (known as shear).

- **Source:** [Thedrive](https://www.thedrive.com/news/oil-viscosity-keeps-your-engine-alive-a-scientist-just-found-its-absolute-cosmic-limit?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a5d1524ae747e56a96ee93e)
- **Published:** 2026-07-19
- **Category:** Cars
- **Tags:** #surface
- **Canonical:** http://localhost:4321/a/6a5d1524ae747e56a96ee93e

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