visual demo

Anders Brownworth gives a basic visual introduction to blockchain using an interactive web demo, covering SHA256 hashes, blocks, chains, distribution, tokens and coinbase transactions.

A short clip of Bill Gates demonstrating Visual Basic in 1991, showing drag-and-drop building of a Windows GUI.

A three-minute capture of SORTDEMO.BAS, the sorting visualization that shipped with QBasic. It animates insertion, bubble, heap, exchange, shell and quick sort with chiptune-like sound.

Eon is a demoscene production by The Black Lotus, released at Revision 2019 and designed for an Amiga with OCS chipset, 512 kB chip and 512 kB fast memory. This is the party version, which has some known glitches.

A recapture in 50fps HD of Spaceballs' 'State of the Art', an Amiga demo released at The Party 1992. It showcases the Amiga's real-time animation, graphics and music in a few minutes.

Starstruck, an AGA Amiga demo by The Black Lotus that won first place at Assembly 2006, shown in HD at 50fps.

Kefrens' Desert Dream, an Amiga demoscene production released at The Gathering in 1993, recaptured in HD at 50fps. It features code, music and graphics by a team of scene members.

Spaceballs' 9 Fingers, an Amiga demoscene demo released at The Party in 1993, recaptured here in 50fps HD. It is the follow-up to their demo State of the Art.

Christopher Domas presents his Cantor Dust tool at Derbycon 2012, a 3D visual approach to reverse engineering binaries by visualizing their structure dynamically.

A capture of Second Reality, the real-time audiovisual demo by Future Crew first shown at Assembly 1993, recorded from a 486DX2-66 with a Gravis Ultrasound. It showcases the peak of early 1990s PC demoscene techniques.

A recording of .the .product by Farbrausch, the first-place 64k intro at The Party 2000. It fits an 11-minute 3D demo with music into 64 kilobytes.

Onslaught'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.

Moleman 2 is a feature-length documentary about the demoscene, tracing its rise from 1980s Commodore 64 culture to modern real-time art. It explains the algorithms and creative process behind demos and intros.

The original five-minute Dropbox demo video, which presented the product's features before a finished product existed. It was aimed at technical early adopters and became famous as a launch strategy.

Christopher Domas's REcon 2013 talk on dynamic binary visualization for reverse engineering. He shows how rendering binary data as interactive visual maps and trigraphs reveals structure that hex dumps hide, leading to his Cantor.dust tool.

Bang! is an Atari 2600 demo by XAYAX that won first place at the Revision 2014 oldschool demo competition. It fits into a 32k ROM using F8SC bankswitching.

A one-minute capture of Tim Clarke's 1993 'Mars' DOS demo, a roughly 5 KB program that renders a navigable terrain landscape in real time.

A five-minute animated explainer of liquid democracy, in which voters can delegate their vote to trusted people. It starts from the origins of democracy and contrasts direct and representative models.

PolyMatter's first part of a series on China's demographic collapse, covering the effects of the one-child policy, shrinking workforce and economic consequences.

A short demo of the Deep Visualization Toolbox, which shows the activations inside a convolutional neural network as it processes live camera input. Viewers see individual units responding to edges, faces and text.

A real-time demoscene production made with an overhead projector, released by DESiRE and TRSi for @Party in the OHP category. It is a short, quirky entry in the demoscene tradition.

Hartverdrahtet by Akronyme Analogiker, the winning PC 4k intro at Revision 2012. It is a realtime demo with music and fractal visuals in 4096 bytes.

Bret Victor's talk on Drawing Dynamic Visualizations. It argues that visualization tools offer either the directness of hand drawing or the dynamics of programmed graphics, and shows a tool that combines both.

The American Museum of Natural History's film flies from the Himalayas out through the atmosphere and solar system to the afterglow of the Big Bang, using its Digital Universe Atlas four-dimensional map.

Saqib Shaikh, a blind developer, shows how he writes and debugs code in Visual Studio 2017 using a screen reader. The short demo shows an expert doing ordinary developer tasks.

Casey Muratori responds on-stream to a dismissive Twitter post by demonstrating how slow Visual Studio's startup and debugger watch window are, comparing it to much older software and machines. It is a long rant about software performance and bloat.

Steve Jobs demos NeXTSTEP Release 3, showing the object-oriented development environment and UI that later became the basis of Mac OS X. Midway through he builds a database-backed GUI app with Interface Builder and Enterprise Objects Framework with almost no code.

Elevated by Rgba and TBC, the winner of the 4k intro compo at Breakpoint 2009. It is a realtime procedurally generated 3D flythrough with music, all in a 4096-byte executable.

A 60fps capture of Future Crew's 1993 MS-DOS demo Second Reality, one of the best-known pieces of the demoscene. It runs about 16 minutes of real-time graphics and music effects on PC hardware of the era.

ScienceClic explains why the rubber sheet analogy for general relativity is misleading and offers a new visualization that includes the curvature of time and shows gravity as motion through curved spacetime.

Economist Richard Wolff's Talks at Google lecture on his book Democracy at Work. He critiques capitalism and argues for worker-run cooperatives as a path to a more democratic economy.

3Blue1Brown builds visual intuition for quaternions, showing how to think about this four-dimensional number system using stereographic projection and rotations in 3D space. It is part one of a two-part series with an interactive companion site.

3Blue1Brown visualizes the Riemann zeta function and the analytic continuation that extends it beyond where its series converges, building toward the Riemann hypothesis.

Debris by Farbrausch, the winner of the Breakpoint 2007 demo competition. All of its 3D visuals, textures and music come from a single 177 KB executable.

An Every Frame a Painting video essay analysing how Edgar Wright creates visual comedy through framing, camera movement, editing, sound effects and music.

Masagin is a realtime demoscene production by Farbrausch and Neuro with music by paniq, using animated recursive SVG graphics made in Inkscape. It is a psychedelic, nested-dials audiovisual piece.

OpenAI's 2021 live demo of Codex translating natural language into code, from Hello World to building a game and a Microsoft Word plugin.

A Foresight Institute workshop video with two talks: Shawn Douglas on nanoscale instruments for visualizing small proteins, and Bret Victor on Dynamicland. Victor's part shows biomolecular design built in his Realtalk system with physical objects.

David Heinemeier Hansson builds a blog engine with Ruby on Rails in 15 minutes, the demo that launched Rails' momentum.

Highlights from Doug Engelbart's December 1968 demonstration at SRI, the first public showing of the mouse, hypertext, windows, real-time collaborative editing and shared-screen teleconferencing. This is a roughly six-minute condensed version of the full demo.