IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This hot-air engine toy was ...

Using compressed air as a power adder (supercharger) is in vogue again! Younger readers may be wondering what we mean by this and argue that forcing super-cold, highly pressurized air into an engine’s ...

Stirling Hot Air Engine The Stirling hot air engine is a unique external combustion engine that operates on the Stirling cycle, using a fixed amount of gas sealed inside. This type of engine is known ...