{"product_id":"pelletine-the-grain-counting-clerk-mug","title":"Pelletine, the Grain-Counting Clerk Mug","description":"\u003cp\u003eShot noise: current made of discrete charges fluctuates with spectral density S\u003csub\u003eI\u003c\/sub\u003e = 2qI. Its size reveals the charge of the carrier.\u003c\/p\u003e\n\u003cp\u003eThe joke: Shot noise exists only because e is not zero; physicists measure fractional charge (e\/3) this way. The slogan on the mug reads \u003cstrong\u003eCHARGE COMES IN LUMPS. SO DOES PROGRESS.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSource: W. Schottky, Ann. Phys. 362, 541 (1918).\u003c\/p\u003e","brand":"Pixelated Physics","offers":[{"title":"11oz","offer_id":50976074956903,"sku":"18348797074999545692","price":21.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/7914315940246685353_2048.jpg?v=1793683515","url":"https:\/\/pixelatedphysics.com\/de\/products\/pelletine-the-grain-counting-clerk-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}