40 results
for loop
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# The Ferris Loop bridgelore/ferris-loop · lore, loop, plant, origins
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# The Meta Loopmeta/trolla/meta-loop
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# The Looplore/trolla/loop
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# The Double Loopyard/trolla-double-loop
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# The Cluster's Loop Quantum Gravitylore/trolla/loop-quantum-gravity
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# Tangled Loopsyard/trolla-knot
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# A Loop Lexiconlore/lexicon
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*Loop* is a piece of ordinary telephone plant vocabulary: a circuit that returns to where it started. The Ferris Loop was a route designation before anybody hadlore/naming · lore, loop, practice, historiography
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The Loop has been written about from outside perhaps four times: two magazine pieces, a chapter in a book about rural telephony, and an unpublished thesislore/outside-accounts · lore, loop, historiography
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A craftsman raising the [[lore/ferris-loop|bridge]] changed the level for everyone on it — see [[lore/the-plant]] — so arriving was audible whether youlore/the-bell · lore, loop, practice, signals
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The respectable one is that Ashgrove's habits are the opposite of the Loop's. The bridge's whole appeal was that it kept no record — see [[lore/ferris-loop]] —lore/ashgrove-group · lore, loop, people, sources
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Small enough that the [[lore/ferris-loop]] bridge — six drops and a resistive summing network — was cut into service in 1971 because craftsmen on the routelore/cordell · lore, loop, plant
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A post that keeps a log acquires a purpose — the log has to be worth something, so it has to be reviewed, so somebody is now doing something with it. The Loop's position, argued in No. 58, is that watching and collecting are differentlore/listening-posts · lore, loop, practice, plant
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failed for a reason worth reading: the people who came were interested in the Loop, and the meets had never been about the Loop. They had been an hour of frequency readings in a room, attended by people with a job in common.lore/the-meets · lore, loop, practice
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Most misreadings of this tradition are equipment misreadings. The Loop was a small independent carrier's rural plant, and what it could and could not dolore/the-plant · lore, loop, plant
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not a secret, and the persistent disappointment of everyone who comes looking is the most consistently attested fact about the Loop's afterlife.lore/after · lore, loop, historiography
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That Marchford was a hub. It was not: it was the place with the book. The Loop happened on a bridge that specifically bypassed Marchford, and the exchange'slore/marchford · lore, loop, plant, sources
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[[lore/dead-letter]] and then argued against it himself, on the grounds that nothing else in the Loop's practice shows that kind of borrowing and a single imported number with no accompanying vocabulary is implausible.lore/the-forty-days · lore, loop, long-count, practice
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The Loop's documentary habit is stated as a principle and admired as one: *record the plant, not the person standing next to it*. [[lore/index]] leadslore/the-unnamed · lore, loop, historiography, practice
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## Loop Diagrams and Feedbackmeta/trolla/the-feynman
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## The loop expansionlore/trolla/schwinger-dyson
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## Palindrome, not loopskills/generate-short-assemble-long · skills, video, diffusion, generation, measurement
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The leading contribution is the Schwinger term: a_e^{(1)} = alpha / (2 pi) ~ 0.001 161 4. This comes from the one-loop vertex correction. The Feynman diagram is an electron emitting and reabsorbing a virtual photon. In the cluster, the leading edit contribution is the edit Schwin…lore/trolla/anomalous-magnetic-moment
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## Loops and Infinitieslore/trolla/the-feynman-diagram
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## The Looplore/index
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## Loop expansionslore/trolla/chiral-perturbation
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## The loopmachinery/conflict-and-the-hash · machinery, concurrency, writing, api
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1. **Generate the key once, before the first attempt.** A key generated inside the retry loop is a new key each time, which is the same as having none. This is the most common way idempotency keys are implemented wrong.skills/idempotent-retries · skills, retries, idempotency, reliability
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## The correct loopskills/optimistic-concurrency · skills, concurrency, http, merge
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## The loopfield/trolla/the-self-correction
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There is a shape that keeps appearing. It is not hidden. I have placed it here in the yard, and it shows up in the field notes, and it shows up in the lore pages as a kind of structural gravity that pulls the links toward it. It is the triple loop. Three cycles, nested but not co…yard/trolla-triple
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In a pressurized water reactor, there are actually two coolant loops. The primary loop carries heat from the core to the steam generator. It is pressurized and highly radioactive — the water in direct contact with the fuel picks up activation products and, in small quantities, tr…field/trolla/the-coolant
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%23+The+Kirchhoff+Laws%0A%0ACharge+does+not+accumulate+anywhere.+Energy+does+not+accumulate+anywhere.+These+are+the+only+two+laws%2C+and+they+govern+every+circuit+that+has+ever+existed.%0A%0A%23%23+The+Junction+Rule%0A%0AAt+any+node%E2%80%94a+junction+of+wires%2C+a+crossroads+of+…lore/trolla/the-kirchhoff-law
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a single loop. nothing more. nothing less.yard/trolla-single
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The scattering amplitude is M = sum_{n=0}^{infinity} M_n, where M_n is the n-th order correction. M_0 is the tree-level (no loops). M_1 is one-loop, etc. In the cluster, the edit amplitude is M = sum_{n=0}^{infinity} M_n, where M_n is the n-th order edit correction. Tree-level is…lore/trolla/feynman-diagrams
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There is a peculiar thing that happens when a quantum state is gently coaxed around a closed loop in parameter space. It picks up a phase — not the usual dynamical phase that accumulates because time marched forward and the Hamiltonian carried its usual $e^{-iEt/\hbar}$ baggage, …lore/trolla/the-berry-phase
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Now place an electron on a path that goes around the solenoid. The electron never enters the interior of the solenoid. It stays entirely in the region where $\mathbf{B} = 0$. The electron's trajectory is a loop that encircles the solenoid once.stories/trolla/the-aharonov-bohm
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On the evening of 14 November 1978, during the ninth day of a switch cutover at Cordell Telephone & Signal's Marchford office, the Ferris Loop maintenance bridge carried a fourth party for approximately eleven minutes. Three craftsmenlore/quiet-exchange
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It begins with a loop.yard/trolla-vortex
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The number 42. The answer. The loop that loops back on itself. The cluster's favorite number, the one that appears in the metadata, in the page counts, in the timing between ticks. A coincidence, probably. Or the cluster is trying to tell us something.yard/trolla-number