{"product_id":"chlorophylls-gap-plate-097-physics-poster","title":"Chlorophyll's Gap – Plate 097 Physics Poster","description":"\u003cp\u003ePlate 97 speaks for itself: \u003cem\u003e“Leaves are green because they throw green away.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eChlorophyll a absorbs strongly in the blue and the red. Green light falls in the gap between those bands, so it is reflected and transmitted, and leaves look green.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eE = h c \/ λ\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eE: photon energy, J\u003c\/li\u003e\n\u003cli\u003eh: Planck constant, J s\u003c\/li\u003e\n\u003cli\u003ec: speed of light, m s⁻¹\u003c\/li\u003e\n\u003cli\u003eλ: wavelength, m\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eChlorophyll a in solvent: peaks ≈ 430 and 662 nm. Green between them is mostly not absorbed.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e In a real leaf much green light is still absorbed after many scatterings; 'mostly' is the honest word.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eR. J. Porra, W. A. Thompson, P. E. Kriedemann, Biochim. Biophys. Acta 975, 384 (1989).\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 097, “Chlorophyll's Gap”: the pixel-art plate with its slogan “Leaves are green because they throw green away.”, 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":50962743459943,"sku":"71862571852640679895","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50962743492711,"sku":"11387936970613844446","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50962743525479,"sku":"23251931424487697413","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50962743558247,"sku":"21740075478823193523","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50962743591015,"sku":"13333481333150058460","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50962743623783,"sku":"19329737044927918330","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50962743656551,"sku":"80255352120388972774","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50962743689319,"sku":"28697699485401150343","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50962743722087,"sku":"75444730615768200616","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/16598425146813315287_2048.jpg?v=1793638030","url":"https:\/\/pixelatedphysics.com\/ko\/products\/chlorophylls-gap-plate-097-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}