Onslaught - Bad Apple 64 - C64 Demo
In briefOnslaught's Bad Apple 64 is a Commodore 64 demo that streams over 2000 frames of the Bad Apple animation from a single disk side at 12fps, with each frame packed to around 70 bytes.
Math & Theory
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Who's faster around London: a taxi driver or a GPS?
In briefTom Scott races a London black-cab driver who has memorized The Knowledge against a phone GPS across the city, comparing local expertise to navigation software.
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Analyzing Programs with Z3
In briefTikhon Jelvis's Compose Conference talk on using the Z3 SMT solver to analyze and verify programs, including checking invariants with bounded loops. He demonstrates verifying programs in a small language by compiling them to Z3.
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Group theory, abstraction, and the 196,883-dimensional monster
In brief3Blue1Brown introduces group theory and abstract groups, then builds toward classification of finite simple groups and the enormous Monster group with its 196,883 dimensions.
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Exponential growth and epidemics
In briefA short 3Blue1Brown primer on exponential and logistic growth, using early COVID-19 case data to show how epidemics grow and eventually level off. It explains why small changes in growth rate make enormous differences in outcomes.
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Succinct Data Structures
In briefEdward Kmett's 2013 talk at Prezi in Budapest on succinct data structures, which store data in close to the information-theoretic minimum space while supporting fast queries. It ties together the research and walks through his Haskell succinct library.
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How An Infinite Hotel Ran Out Of Room
In briefVeritasium shows how Hilbert's infinite hotel can still run out of room, using infinite buses of guests. It explains the surprising answer in a short animated segment.
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The Trinity Hall Prime - Numberphile
In briefNumberphile with Tadashi Tokieda on the Trinity Hall Prime, a prime number whose digits form a picture of the college's coat of arms, left as a gift by a departing mathematician.
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Gregory Chaitin - Is Mathematics Invented or Discovered?
In briefGregory Chaitin is interviewed on Closer To Truth about whether mathematics is invented or discovered. He gives a nuanced view that ties the question to the nature of reality.
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An astonishing old calculator - Numberphile
In briefCliff Stoll shows and explains his two Friden EC-132 electronic calculators for Numberphile. The video covers how these early machines worked, including their unusual acoustic delay line memory.
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What is Euler's formula actually saying? | Ep. 4 Lockdown live math
In briefA 3Blue1Brown live lockdown math episode asking what Euler's formula e^(pi i) is actually saying. It builds intuition through exponentials, rotation and vectors landing on the unit circle.
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Samplerates: The Higher the Better, Right?
In briefDan Worrall explains when higher sample rates help in recording and mixing, and when they do not. He goes into oversampling versus higher sample rates, and aliasing in distortion plugins.
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5040 and other Anti-Prime Numbers - Numberphile
In briefNumberphile's James Grime discusses highly composite numbers, nicknamed anti-primes, which have more factors than any smaller number, using 5040 as the central example. It touches on Plato and Ramanujan.
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Klein Bottles - Numberphile
In briefNumberphile interviews Cliff Stoll about Klein bottles, the one-sided surfaces with no inside or outside. Stoll explains them with characteristic enthusiasm and shows off his collection.
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'Fastware' - Andrei Alexandrescu [ ACCU 2016 ]
In briefAndrei Alexandrescu's ACCU 2016 talk previews material from his book on writing fast code, with a focus on optimization techniques such as sentinels and faster search.
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Some light quantum mechanics (with minutephysics)
In brief3Blue1Brown, in collaboration with minutephysics, introduces the math of superposition and quantum states using polarized light. It builds up the quantum behavior of photons as a simple counting and probability problem.
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The mathematics of love | Hannah Fry
In briefMathematician Hannah Fry's TED talk on patterns in dating and mate-seeking, including optimal stopping and three math-backed tips for finding a partner.
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BBC - The Code - The Wisdom of the Crowd
In briefMarcus du Sautoy of the BBC demonstrates the wisdom of the crowd, showing that averaging many guesses of jelly beans in a jar lands near the true count.
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CppCon 2016: Chandler Carruth “High Performance Code 201: Hybrid Data Structures"
In briefChandler Carruth's CppCon 2016 talk on designing hybrid data structures for performance. He covers cache locality, working-set size and allocation overhead, and why standard C++ containers fall short.
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Feynman: 'Greek' versus 'Babylonian' mathematics
In briefA clip of Richard Feynman contrasting the Greek and Babylonian traditions of mathematical reasoning. It compares the axiomatic approach of mathematicians with how physicists use mathematics.
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Deepest Mandelbrot Set Zoom Animation ever - a New Record! 10^275 (2.1E275 or 2^915)
In briefA Mandelbrot set zoom animation reaching a magnification of about 2.1x10^275, claimed as the deepest at the time (January 2010). Each frame was rendered separately over six months on 12 CPU cores.
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Why is there no equation for the perimeter of an ellipse‽
In briefStand-up Maths explains why the perimeter of an ellipse has no simple closed-form equation, showing the infinite series and presenting approximation formulas.
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Why the World’s Best Mathematicians Are Hoarding Chalk
In briefA short Great Big Story piece about Hagoromo, a Japanese chalk brand so prized that mathematicians stockpiled it, with some reportedly dealing it on the side. It tells the quirky tale of a writing tool whose supply became scarce.
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Armok Invaders
In briefA short demo of a playable Space Invaders game built inside Dwarf Fortress, with a downloadable map. It shows the game's mechanics used as a computing substrate.
