{"product_id":"ghostwall-quantum-tunnelling-physics-mug","title":"Ghostwall – Quantum Tunnelling Physics Mug","description":"\u003cp\u003eCan a particle pass through a wall it cannot climb? Ghostwall can, sometimes. In quantum mechanics a particle’s wavefunction leaks into a barrier, so it has a small chance of appearing beyond it, roughly T ≈ e^(−2κL). Tunnelling powers alpha decay, the Sun’s fusion and scanning tunnelling microscopes. 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":50420029948007,"sku":"13600626574140867531","price":21.99,"currency_code":"USD","in_stock":true},{"title":"15oz","offer_id":50420029980775,"sku":"21129091235291135480","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/ghostwall_closeup_2400.png?v=1791690250","url":"https:\/\/pixelatedphysics.com\/products\/ghostwall-quantum-tunnelling-physics-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}