• Pixel-art Tepidora, the Zeroth-Law Ghost, on a black mug with the slogan "COLD COFFEE. ZEROTH LAW ACHIEVED."

IndexCatalogueMug

Tepidora, the Zeroth-Law Ghost Mug

$21.99 USD
$21.99 USD
할인 품절
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Zeroth law: systems in thermal equilibrium with a third are in equilibrium with each other; a forgotten mug reaches room temperature.

The joke: Forgotten coffee is equilibrium. The slogan on the mug reads COLD COFFEE. ZEROTH LAW ACHIEVED.

Source: R. H. Fowler & E. A. Guggenheim, Statistical Thermodynamics (Cambridge, 1939).

Shipping calculated at checkout by destinationMade to order, ships in ~10 days

Details

Size & material11oz · 15oz

Black glossy ceramic mug with a C-handle. Lead- and BPA-free.

  • 11oz: 0.33 l
  • 15oz: 0.44 l
CareDishwasher & microwave safe

Dishwasher safe (top rack) or hand wash. Microwave safe.

ShippingBy destination

Shipping calculated at checkout by destination.

Made to order: about 10 days of production and handling before it ships.

Delivery times & where we ship

Returns & replacements21 days

Every item is printed to order, so we can’t accept returns or exchanges for change of mind, or if you ordered the wrong size or colour.

Print defect, misprint, damage or the wrong item? We’ll send a free replacement, or a refund if you prefer. Report it within 21 days of delivery with a photo; no need to send it back.

Full refund & replacement policy

Field notes

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