{"product_id":"seebecka-seebeck-effect","title":"Seebecka – The Seebeck Effect \/ V = S ΔT Physics Sticker","description":"\u003cp\u003eSeebecka, a bearded metalworker, holds a frame of two joined metals glowing hot at one corner.\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eIn 1821 Thomas Johann Seebeck joined bismuth and copper in a loop and heated one junction. A compass needle beside it swung. A temperature difference between the junctions drives a voltage, and in a closed loop a current: thermoelectricity. He reported it to the Prussian Academy (Abh. Akad. Wiss. Berlin, 1822–23).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eV = S ΔT\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eV: thermoelectric voltage (V)\u003c\/li\u003e\n\u003cli\u003eS: Seebeck coefficient difference of the two metals (V\/K)\u003c\/li\u003e\n\u003cli\u003eΔT: temperature difference between the junctions (K)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThermocouples measure temperature this way, and radioisotope generators power deep-space probes with it.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e Seebeck thought he had found ‘thermomagnetism’; the magnet moved because of the current. S itself depends on temperature, so V = S ΔT is linear only over small ranges.\u003c\/p\u003e\u003ch3\u003eOn the sticker\u003c\/h3\u003e\u003cp\u003eSeebecka holds a rectangular metal frame with a glowing hot corner. Printed text: \u003cstrong\u003eSEEBECKA\u003c\/strong\u003e with the line \u003cstrong\u003eV = S ΔT\u003c\/strong\u003e. Pixel-art kiss-cut vinyl sticker, white, in 2″, 3″, 4″ and 6″ sizes.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"2\" × 2\" \/ White","offer_id":50964269072487,"sku":"24525163743725574557","price":4.99,"currency_code":"USD","in_stock":true},{"title":"3\" × 3\" \/ White","offer_id":50964269105255,"sku":"19768041169463546980","price":6.99,"currency_code":"USD","in_stock":true},{"title":"4\" × 4\" \/ White","offer_id":50964269138023,"sku":"24612159766756018251","price":8.99,"currency_code":"USD","in_stock":true},{"title":"6\" × 6\" \/ White","offer_id":50964269170791,"sku":"13034691061169944390","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/14294004814868331758_1200.jpg?v=1793663862","url":"https:\/\/pixelatedphysics.com\/products\/seebecka-seebeck-effect","provider":"Pixelated Physics","version":"1.0","type":"link"}