• Pixel-art Nimbryn, the Mie-Scattering Grey Lady, on a black mug with the slogan "MIE SCATTERING. NO FILTER SAVES YOU."

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Nimbryn, the Mie-Scattering Grey Lady Mug

\[x = \frac{2\pi r}{\lambda} \gg 1 \;\Rightarrow\; Q_{\text{ext}} \to 2\]
$21.99 USD
$21.99 USD
Promotion Épuisé
Size

Mie scattering by cloud droplets (size ≫ λ) is nearly wavelength-independent, so clouds are white or grey.

The joke: Clouds block all bands; no filter helps. The slogan on the mug reads MIE SCATTERING. NO FILTER SAVES YOU.

Source: G. Mie, Ann. Phys. 330, 377 (1908).

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

Mie scattering by cloud droplets (size ≫ λ) is nearly wavelength-independent, so clouds are white or grey.

The joke: Clouds block all bands; no filter helps. The slogan on the mug reads MIE SCATTERING. NO FILTER SAVES YOU.

Source: G. Mie, Ann. Phys. 330, 377 (1908).

Equations

\[x = \frac{2\pi r}{\lambda} \gg 1 \;\Rightarrow\; Q_{\text{ext}} \to 2\]
SymbolMeaningUnit
\(x\) size parameter —
\(r\) droplet radius \(\mathrm{m}\)
\(\lambda\) wavelength \(\mathrm{m}\)
\(Q_{\text{ext}}\) extinction efficiency —

Sources

  1. G. Mie, Ann. Phys. 330, 377 (1908)
  2. C. F. Bohren & D. R. Huffman, Absorption and Scattering of Light by Small Particles (Wiley, 1983), §4.4

Field notes

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