Streakwin, the Cosmic-Ray Interloper Mug
Sea-level muon flux is about 1 per cm² per minute for a horizontal detector; cosmic rays leave streaks on long CCD exposures.
The joke: Every long exposure needs cosmic-ray rejection. The slogan on the mug reads ONE PER CM² PER MINUTE. ALL ON MY TARGET.
Source: Particle Data Group, 'Cosmic Rays' review (2022).
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.
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.
The physics
Equations
| Symbol | Meaning | Unit |
|---|---|---|
| \(I\) | muon flux through a horizontal detector | \(\mathrm{cm^{-2}·min^{-1}}\) |
| \(\theta\) | zenith angle | — |
| \(I_v\) | vertical integral intensity (above 1 GeV/c) | \(\mathrm{m^{-2}·s^{-1}·sr^{-1}}\) |
Field notes
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