• Pixel-art Asymptor, the Last-Step Knight, on a black mug with the slogan "ZERO KELVIN: ALWAYS ONE MORE STEP."

IndexCatalogueMug

Asymptor, the Last-Step Knight Mug

\[\lim_{T \to 0} \Delta S = 0\]
$21.99 USD
$21.99 USD
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Unattainability form of the third law: absolute zero cannot be reached in a finite number of steps (finite time and resources).

The joke: The joke is the theorem: every cooling cycle helps less, forever. The slogan on the mug reads ZERO KELVIN: ALWAYS ONE MORE STEP.

Source: W. Nernst, Sitzungsber. Preuss. Akad. Wiss. 1912, 134; L. Masanes & J. Oppenheim, Nat. Commun. 8, 14538 (2017).

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

The physics

Unattainability form of the third law: absolute zero cannot be reached in a finite number of steps (finite time and resources).

The joke: The joke is the theorem: every cooling cycle helps less, forever. The slogan on the mug reads ZERO KELVIN: ALWAYS ONE MORE STEP.

Source: W. Nernst, Sitzungsber. Preuss. Akad. Wiss. 1912, 134; L. Masanes & J. Oppenheim, Nat. Commun. 8, 14538 (2017).

Equations

\[\lim_{T \to 0} \Delta S = 0\]
SymbolMeaningUnit
\(\Delta S\) entropy change of an isothermal process \(\mathrm{J/K}\)
\(T\) temperature \(\mathrm{K}\)

Sources

  1. W. Nernst, Sitzungsber. Preuss. Akad. Wiss. 1912, 134
  2. L. Masanes & J. Oppenheim, Nat. Commun. 8, 14538 (2017)

Field notes

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