{"product_id":"square-t-newton-pendulum-perpetual-motion-apparatus-collides-balls","title":"Newton's Cradle Square Frame — Perpetual Motion Desk Toy","description":"\u003cp\u003eNewton's Third Law, conservation of momentum, and conservation of energy — all at once, from your desk. The \u003cstrong\u003eSquare T - Newton Pendulum Perpetual Motion Apparatus Collides Balls\u003c\/strong\u003e demonstrates these principles with each satisfying collision. Pull back one ball, release: exactly one swings out the other side. Pull two, exactly two launch. The mathematics of elastic collisions made hypnotically visible.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSquare T - Newton Pendulum Perpetual Motion Apparatus Collides Balls\u003c\/li\u003e\n\u003cli\u003eInstructions (where applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eFulfilled via CJ Dropshipping. Ships worldwide in 7–20 business days.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":55048814461220,"sku":"GPP-CJ-51237120","price":19.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/06bb423d-9ff3-4cc5-90fc-d996e7abe9e9.jpg?v=1781664413","url":"https:\/\/shop.goldenphysics.org\/products\/square-t-newton-pendulum-perpetual-motion-apparatus-collides-balls","provider":"Golden Physics Project","version":"1.0","type":"link"}