{"product_id":"twinnel-coupled-pendulums-pixel-sticker","title":"Twinnel – Coupled Pendulums Physics Sticker","description":"\u003cp\u003eMeet Twinnel, two brass pendulums joined by a weak spring who keep passing their swing back and forth. Swinging together or opposite are two normal modes with slightly different frequencies, and their beat sets how fast the energy swaps. Normal modes also explain crystal and molecular vibrations. Pixel-art kiss-cut sticker in 2, 3, 4 and 6 inches; equation, symbols and sources in the physics panel below.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"2\" × 2\" \/ White","offer_id":50658856271975,"sku":"50421260445502262061","price":4.99,"currency_code":"USD","in_stock":true},{"title":"3\" × 3\" \/ White","offer_id":50658856304743,"sku":"40461597267109160036","price":6.99,"currency_code":"USD","in_stock":true},{"title":"4\" × 4\" \/ White","offer_id":50658856337511,"sku":"57826642211257826853","price":8.99,"currency_code":"USD","in_stock":true},{"title":"6\" × 6\" \/ White","offer_id":50658856370279,"sku":"22237261937349065128","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/01_clean_1977a8b6-6ff3-4bfd-9ec0-fe86dc6b595d.jpg?v=1792806188","url":"https:\/\/pixelatedphysics.com\/products\/twinnel-coupled-pendulums-pixel-sticker","provider":"Pixelated Physics","version":"1.0","type":"link"}