{"product_id":"wakewing-kelvin-wake-physics-mug","title":"Wakewing – Kelvin Wake Physics Mug","description":"\u003cp\u003eWhy do a duck and a ship leave the same V? Wakewing rides deep water. The dispersion of gravity waves fixes a Kelvin wake half-angle of arcsin(1\/3), about 19.47°, independent of speed. Lord Kelvin derived it in 1887. Very fast hulls can show narrower apparent wakes. 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":50420028145767,"sku":"12414383073299510484","price":21.99,"currency_code":"USD","in_stock":true},{"title":"15oz","offer_id":50420028178535,"sku":"26725157293683615381","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/wakewing_closeup_2400.png?v=1791690152","url":"https:\/\/pixelatedphysics.com\/products\/wakewing-kelvin-wake-physics-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}