{"product_id":"ives-stilwell-plate-027-physics-poster","title":"Ives–Stilwell – Plate 027 Physics Poster","description":"\u003cp\u003ePlate 27 speaks for itself: \u003cem\u003e“Moving clocks run slow, measured in hydrogen.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eIves and Stilwell looked at light from fast hydrogen ions, forward and backward. The first-order Doppler shifts cancel in the midpoint, which is shifted by time dilation alone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eΔλ ≈ β² λ₀ \/ 2\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eΔλ: midpoint shift of the forward and backward lines, m\u003c\/li\u003e\n\u003cli\u003eβ: v\/c, dimensionless\u003c\/li\u003e\n\u003cli\u003eλ₀: rest wavelength, m\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFast hydrogen atoms from a canal-ray beam. Ives \u0026amp; Stilwell, 1938.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eH. E. Ives, G. R. Stilwell, J. Opt. Soc. Am. 28, 215 (1938).\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 027, “Ives–Stilwell”: the pixel-art plate with its slogan “Moving clocks run slow, measured in hydrogen.”, 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":50961870946407,"sku":"79837445381340684456","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50961870979175,"sku":"31131463988201368454","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50961871011943,"sku":"25969019013284540042","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50961871044711,"sku":"56277880267666424436","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50961871077479,"sku":"16339229433546593296","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50961871110247,"sku":"21303976683620864525","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50961871143015,"sku":"64111307799166550853","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50961871175783,"sku":"91523547606431596423","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50961871208551,"sku":"62945373703774353569","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/12548734693386111153_2048.jpg?v=1793633453","url":"https:\/\/pixelatedphysics.com\/it\/products\/ives-stilwell-plate-027-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}