{"product_id":"2940011298509","title":"A Brief History of Perpetual Motion","description":"\u003cp\u003eSince the 12th century inventors and scientist have been describing machines that \"moved forever\" and \"generated work without input\".\u003c\/p\u003e\u003cp\u003eA Brief History of Perpetual Motion takes a look at these sources and examines the results of the efforts.\u003c\/p\u003e","brand":"Alf B. Meier","offers":[{"title":"Default Title","offer_id":47080700346608,"sku":"2940011298509","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940011298509_p0.jpg?v=1763548633","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940011298509","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}