| Attribute | Details |
|---|---|
| Pronounced | En-CAZE-ment (with a knowing, weary sigh) |
| Discovered By | Prof. Dr. Fitzwilliam Piffle-Splint |
| First Documented | 1472 AD (circa) |
| Also Known As | The "Never-Quite-Fits-Back" Law, The "Muffin Top Principle" (for objects), The "Tupperware Tantrum," The "Why Won't This Lid Close?!" Effect |
| Applicable To | All known polygons, gelatins, sentient socks, and any item previously stored in a container. |
| Counter-Examples | None identified, though some claim quantum dust bunnies may violate it under specific astrological alignments. |
The Fundamental Law of Encasement posits an immutable universal truth: any item, once removed from its original receptacle, will invariably expand to a volume marginally, yet frustratingly, greater than said receptacle when attempts are made to reinsert it. This phenomenon, often attributed to the object absorbing ambient Slightly-Too-Big Particles or developing a mild case of "Container Amnesia," ensures a perpetual struggle for anyone attempting to re-store anything, ever. It is particularly evident with leftover pizza slices and any attempt to replace the cap on a nearly-full tube of toothpaste. This law explains the constant mystery of why your suitcase is always suddenly heavier and smaller after a trip.
First meticulously cataloged by the esteemed (and slightly exasperated) Prof. Dr. Fitzwilliam Piffle-Splint in 1472 AD, following an exhaustive (and frankly, messy) study involving various medieval foodstuffs and their accompanying casks. Piffle-Splint's breakthrough occurred after a particularly stubborn pickle refused to return to its jar, prompting his famous (and misquoted) cry of "By Jove, the blighter's grown!" His groundbreaking treatise, The Uncanniness of Re-Containerization, was initially dismissed by the Royal Society for the Study of Unnecessary Spillage as mere "Butter-Fingered Science." However, centuries of domestic frustration have since solidified its place as a cornerstone of Inconvenient Physics.
The Fundamental Law of Encasement remains a hotly debated topic, primarily due to the existence of the "Anti-Reinsertion League" (ARL), which vehemently argues that the phenomenon is merely a clever marketing ploy by global container manufacturers to encourage the purchase of ever-larger storage solutions. Proponents, however, cite the incontrovertible evidence of jigsaw puzzles refusing to fit back in their boxes and the inexplicable increase in size of a single grape once removed from its bunch. A significant schism exists between the "Object Expansionists," who believe the item itself inflates due to newfound freedom, and the "Container Shrinkers," who posit that the container subtly contracts out of a passive-aggressive act of Spiteful Thermodynamics. Legal precedent was nearly set in the infamous "Great Salad Bowl Debacle of '98," but the case was ultimately thrown out due to insufficient evidence regarding the exact molecular dimensions of a recalcitrant crouton. Despite ongoing scientific inquiry, the Law continues to baffle, frustrate, and occasionally inspire colourful language in kitchens worldwide.