Remanenza, the Hysteresis Countess Mug
Hysteresis: the area enclosed by a B–H loop equals the energy dissipated per cycle per unit volume.
The joke: Revisions that return to the original draft still dissipate energy: the loop area. The slogan on the mug reads FULL REVISION LOOP. AREA LOST AS HEAT.
Source: E. Warburg, "Magnetische Untersuchungen", Ann. Phys. 249, 141 (1881), doi:10.1002/andp.18812490510; C. P. Steinmetz, "On the law of hysteresis", Trans. AIEE 9, 1 (1892), doi:10.1109/T-AIEE.1892.5570437.
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.