{"product_id":"superfluid-quantised-vortices-physics-mug","title":"Superfluid – Quantised Vortices Physics Mug","description":"\u003cp\u003eMeet Superfluid. Below 2.17 K, part of liquid helium flows with no viscosity at all. Spin it and it forms a lattice of tiny whirlpools, each carrying exactly one quantum of circulation. On the mug: ∮ v_s · dℓ = nh\/m₄. Pixel-art full-wrap 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":50913982840935,"sku":"21936772338988384071","price":21.99,"currency_code":"USD","in_stock":true},{"title":"15oz","offer_id":50913982873703,"sku":"25439549564432919898","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/3582833572456784925_2048.jpg?v=1793572942","url":"https:\/\/pixelatedphysics.com\/de\/products\/superfluid-quantised-vortices-physics-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}