{"product_id":"hertzel-franck-hertz-experiment-pixel-sticker","title":"Hertzel – Franck–Hertz Experiment Physics Sticker","description":"\u003cp\u003eMeet Hertzel, a tube of mercury vapour who accepts energy only in exact packets. In 1914 Franck and Hertz saw current dip every 4.9 V, as atoms absorbed 4.9 eV and later emitted 253 nm ultraviolet light. It proved atoms have separate energy levels. 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":50658629976167,"sku":"24520211892433196723","price":4.99,"currency_code":"USD","in_stock":true},{"title":"3\" × 3\" \/ White","offer_id":50658630008935,"sku":"28204174906802096534","price":6.99,"currency_code":"USD","in_stock":true},{"title":"4\" × 4\" \/ White","offer_id":50658630041703,"sku":"29329844204170026325","price":8.99,"currency_code":"USD","in_stock":true},{"title":"6\" × 6\" \/ White","offer_id":50658630074471,"sku":"25747272424939975666","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/01_clean_fafe5e35-0f4a-4004-9bc0-c2ca440a76bd.jpg?v=1792803661","url":"https:\/\/pixelatedphysics.com\/products\/hertzel-franck-hertz-experiment-pixel-sticker","provider":"Pixelated Physics","version":"1.0","type":"link"}