{"product_id":"refracta-snell-s-law-physics-mug","title":"Refracta – Snell’s Law Physics Mug","description":"\u003cp\u003eWhy does a straw look broken in a glass of water? Refracta bends the light. Light travels at different speeds in different materials, so it changes direction at a boundary. Snell’s law, n1 sin θ1 = n2 sin θ2, gives the new angle. Lenses, prisms and rainbows all depend on it. Pixel-art black ceramic mug in 11 or 15 oz; equation, symbols and sources in the physics panel below.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"11oz","offer_id":50420030963815,"sku":"45656487674578143112","price":21.99,"currency_code":"USD","in_stock":true},{"title":"15oz","offer_id":50420030996583,"sku":"28926723157428102542","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/refracta_closeup_2400.png?v=1791690265","url":"https:\/\/pixelatedphysics.com\/products\/refracta-snell-s-law-physics-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}