multi-touch

Johnny Chung Lee shows how infrared light pens and a Wii Remote can make a very low-cost multi-point interactive whiteboard or tablet display. Software is available for download.

A short video of a Microsoft Surface multimedia coffee table, with a pointer to making a homemade multi-touch screen. It shows the original touch-table concept.

A 2008 CES demo of the original Microsoft Surface, a smart table with multi-touch interaction. It shows touch manipulation of photos and objects on a tabletop display.

Matthaeus Krenn presents a concept for car touchscreen UI where the screen controls only one thing at a time, designed to suit driving. A tablet prototype accompanies the short demo.

Julia co-creator Stefan Karpinski explains why multiple dispatch makes Julia code and types reusable across packages with so little friction. He covers sharing basic types and sharing generic algorithms.

A Microsoft Research demo from TechFest 2012 of a lab touch system that lets viewers feel the effect of different input latencies, down to about 1 ms. It shows how much more responsive dragging feels compared with typical 100 ms touch delay.

Disney Research presents Touche, a swept frequency capacitive sensing technique that recognizes complex hand and body configurations, and adds touch sensitivity to humans, liquids and everyday objects.

A short WIRED demo from CES 2013 of Tactus Technology's haptic touchscreen, whose panel raises physical bumps to form a keyboard.

Footage of the first manned flight of an electric multicopter, flown by Volocopter (then e-volo) in October 2011. The 90-second flight was a Guinness World Record.

Tech Tangents sets up original Doom's three-screen multi-monitor mode, which required a separate networked computer for each monitor. The video covers the hardware and setup work and the result.

A 1957 Walt Disney film in which he explains and demonstrates the multiplane camera, the animation tool that gave 2D films depth. It is a short behind-the-scenes piece from Disney's archives.

GameSpot meets the VP of Senseg, a company adding electrostatic touch feedback to tablets and touch surfaces, and demonstrates the technology.

Technology Connections explains how touch lamps work and traces them back through patents to the 1950s, far earlier than most people assume.

The full 80-minute Macworld 2007 keynote in which Steve Jobs introduced the original iPhone. It includes the multitouch demos, visual voicemail and scrolling.

A four-minute Emacs Rocks screencast demonstrating the multiple-cursors package for Emacs. It shows how editing at many places at once can replace repetitive manual edits.

A GDC 2015 talk in which Natalya Tatarchuk describes the multithreaded renderer Bungie built for Destiny. It covers the low-latency architecture across platforms, its successes and its challenges.

Freya Holmer's Dutch Game Day 2023 talk asking why vectors can't be multiplied, building from complex numbers to a single axiom and arriving at geometric algebra, quaternions and multivectors.

Destin Sandlin of Smarter Every Day explains Multi-Domain Operations through footage from his last mission at RIMPAC 2018. He covers missile and torpedo testing and interviews military leaders about the cyber and information domains.

CppCon 2014 talk by Jeff Preshing on how Ubisoft Montreal developed games for multicore hardware, before and after C++11 concurrency support. It goes into atomics and lock-free programming in practice.

OpenAI's short demo of agents playing hide-and-seek in a simulated environment. Through self-play, the agents develop six progressively more complex strategies and counter-strategies, including tool use.

A 2015 GDC talk by Bungie's Barry Genova on how Destiny's engine was restructured into a job graph with limited thread pre-emption. It is aimed at programmers of demanding game engines.

Tested explains how Apple's Touch ID recognizes fingerprints, then tries to defeat it using fake fingers and prints, retracing methods claimed by a German computer club.

A brief clip of a Nook Simple Touch e-ink reader running PlayStation 1 games through an emulator with a hacked fast refresh rate.

A short compilation of the gesture and multitouch interface scenes from the film Minority Report.

Dr. Terry Wahls tells how she used diet to manage her multiple sclerosis and get out of a wheelchair, drawing on mitochondrial biology. TED flagged the talk as health advice based on personal narrative.

Rhonda Patrick interviews USC gerontologist Valter Longo about fasting, the fasting-mimicking diet, and their effects on longevity, cancer, and multiple sclerosis. They discuss mechanisms such as IGF-1 and autophagy and clinical trials.

A demo of the 8pen, a gesture-based keyboard replacement for touchscreens that lets users enter text by moving around a circle. It is meant for phones, remotes and game controllers and mimics handwriting.

Stuff Made Here builds a device that lets a blind person perceive their surroundings by touch, using an iPad's lidar and a mechanical tactile display driven by motors. The video walks through the build and the limits he hit.

Short US Missile Defense Agency footage of the December 2008 free-flight hover test of Lockheed Martin's Multiple Kill Vehicle. The test showed it hovering for 20 seconds while tracking a simulated target.

Jason Cammisa reviews the 2022 Volkswagen Mk8 GTI and explains why he thinks it is worse than the Mk7. He criticizes aspects such as the capacitive touch controls and the interface.

A 2007 parody mocking Microsoft's Surface touch table, made by SarcasticGamer.

Elon Musk's 2016 IAC presentation on the technical challenges and architectures for building a self-sustaining human presence on Mars.

A short Simpsons clip (S5E20) of the 'Am I so out of touch?' moment, in which Principal Skinner concludes it must be the children who are wrong.

Tom Scott visits ThyssenKrupp's test tower in Rottweil to see the Multi, a rope-free elevator that uses linear motors to move cabins sideways as well as vertically.

Reducible's visual walkthrough of the Fast Fourier Transform, motivated by polynomial multiplication. It shows how the FFT's key ideas can be discovered by asking the right questions.

An animated introduction to geometric algebra, presented as a language that can describe most of physics. It was made with manim and covers multivectors and how they generalize familiar tools like cross products and quaternions.

Chuck Moore, inventor of Forth, presents GreenArrays' 144-core asynchronous chip at Strange Loop 2013. He explains how idle cores draw almost no power and how tight code minimizes energy use.

Miguel de Icaza's GodotCon 2023 talk on Swift bindings for Godot. He argues that garbage-collector pauses in C# are a persistent problem and that Swift's reference counting avoids them.

A short animated simulation comparing how Multics and Unix were developed, showing why Unix's small composable programs and pipes gave it a efficiency advantage. It frames Unix as a moonshot achievable by a small team.

John Ousterhout's slides-and-voiceover lecture on Paxos, made for the Raft user study comparing how students learn Raft and Paxos. It is a full introduction to the Paxos consensus algorithm.