{"product_id":"thermalpowermachine","title":"Thermal power machine","description":"\u003cp\u003eIt's hard to believe, but this engine runs on just the heat from a cup of coffee!\u003c\/p\u003e\n\u003cp\u003ePlace the Heat Power Machine on a cup with something hot in it, wait half a minute, give it a little push and watch it spin.\u003c\/p\u003e\n\u003cp\u003eOr put it in the palm of your hand and put an ice cube on top. If you're lucky, you can make it run on the heat of your hand!\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eThat's how it works\u003cbr\u003e\u003c\/b\u003e VitenWahl's Heat Power Machine is a type of sterling motor. It works by pushing trapped air between a chamber where the air is heated and a chamber where the air is cooled.\u003c\/p\u003e\n\u003cp\u003eThe air closest to the bottom expands as it heats up, pushing the main piston upwards. As it approaches the top, the small piston pushes the cooled air back under the main piston. And then it starts all over again.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat can the Heat Power Machine be used for?\u003cbr\u003e\u003c\/strong\u003e Impress friends or colleagues. Nothing else.\u003c\/p\u003e","brand":"vITENwAHL","offers":[{"title":"Default Title","offer_id":50599447429421,"sku":"7-2-Varmekraftmaskin","price":51.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/6085\/9437\/files\/Varmekraftmaskin-2300px-trans.png?v=1743080174","url":"https:\/\/vitenwahl.eu\/products\/thermalpowermachine","provider":"VitenWahl","version":"1.0","type":"link"}