{"product_id":"stern-gerlach-plate-036-physics-poster","title":"Stern–Gerlach – Plate 036 Physics Poster","description":"\u003cp\u003ePlate 36 speaks for itself: \u003cem\u003e“Two spots, where classical physics drew a smear.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eSilver atoms passing through a non-uniform magnetic field split into two separate beams instead of a continuous smear: the magnetic moment is quantised.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eF_z = μ_z ∂B_z\/∂z\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eF_z: force along the field gradient, N\u003c\/li\u003e\n\u003cli\u003eμ_z: magnetic moment component, J T⁻¹\u003c\/li\u003e\n\u003cli\u003e∂B_z\/∂z: field gradient, T m⁻¹\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eClassically one smear; the plate: two. Gerlach \u0026amp; Stern, 1922.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e The two spots come from the electron's spin, which was not proposed until 1925.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eW. Gerlach, O. Stern, Z. Phys. 9, 349 (1922).\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 036, “Stern–Gerlach”: the pixel-art plate with its slogan “Two spots, where classical physics drew a smear.”, the key equation and the facts panel shown above. Pixelated Physics. Physics. Personified.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"9'' x 12\" (Vertical) \/ Matte","offer_id":50961899094119,"sku":"16219941246533651403","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50961899126887,"sku":"25949805505228608303","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50961899159655,"sku":"17248983746009447138","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50961899192423,"sku":"13361631218181862433","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50961899225191,"sku":"26054293229626059305","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50961899257959,"sku":"19055147516833244013","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50961899290727,"sku":"20720912357827105195","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50961899323495,"sku":"33682097081099861878","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50961899356263,"sku":"19382653954133401001","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/6382399600689916965_2048.jpg?v=1793732119","url":"https:\/\/pixelatedphysics.com\/fr\/products\/stern-gerlach-plate-036-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}