# Passive solar tracker based in the differential thermal expansion of vertical strips

> Research article (Journal of Renewable and Sustainable Energy, 2019) · cited 20× · AI/ML

**Wikidata**: [openalex:W2961275726](https://www.wikidata.org/wiki/openalex:W2961275726)  
**Source**: https://4ort.xyz/entity/passive-solar-tracker-based-in-the-differential-thermal-expansion-of-vertical-strips