{"product_id":"caustic-pixel-hoodie","title":"Caustic Hoodie – YOUR COFFEE HAS A CUSP | Pixelated Physics","description":"\u003cp\u003eWhat is the bright curve on the surface of your coffee? Light from one side reflects off the inside of the cup, and neighbouring rays cross and pile up along a curve called a caustic. For parallel light in a circle of radius R it is half a nephroid, with a sharp cusp at R\/2 from the centre. Black pixel-art hoodie; equation, symbols and sources in the physics panel below.\u003c\/p\u003e","brand":"PixelatedPhysics","offers":[{"title":"Black \/ S","offer_id":50585669828711,"sku":"55242251436256812733","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ M","offer_id":50585669861479,"sku":"15098526187512512958","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ L","offer_id":50585669894247,"sku":"12518819868615068194","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ XL","offer_id":50585669927015,"sku":"27282655534442055568","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 2XL","offer_id":50585669959783,"sku":"15499133850448345485","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 3XL","offer_id":50585669992551,"sku":"14226819786215928138","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 4XL","offer_id":50585670025319,"sku":"10083375429421812791","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5XL","offer_id":50585670058087,"sku":"26852240379822752788","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/03_flat_front_f7c1ca9c-cedc-4d3b-83b9-674cb7aa6819.jpg?v=1792675111","url":"https:\/\/pixelatedphysics.com\/products\/caustic-pixel-hoodie","provider":"Pixelated Physics","version":"1.0","type":"link"}