Discover how to build a mini vertical axis wind turbine using simple materials such as a wooden stick, metallic sheet, PVC pipe, and an aluminum frame. This step-by-step guide demonstrates the ...

A new Met Opera production of “Tristan und Isolde” uses Wagner’s rare wooden horn, the holztrompete, for a key offstage ...

Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...

The Tesla turbine is a bladeless centripetal-flow turbine invented by Nikola Tesla in 1913, using the boundary-layer effect rather than having a stream of gases or a fluid impinge on blades.