But have you seen an engine with only one moving part, out of four in total? In the thermoacoustic engine, the power piston is the only part in motion. [YTEngineer] has built a very simple ...

The concept is called thermoacoustic refrigeration -- using sound waves to cool something. The technology offers several advantages over conventional cooling systems, says a Purdue University engineer ...

As researchers continue to refine thermoacoustic technology, the implications for energy efficiency and sustainability are profound, offering exciting possibilities for the future. "In the 1990s ...