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A Rheinmetall promo clip of its truck-mounted Skynex air defence system engaging a swarm of eight small drones with a 35mm revolver gun.

MIT Media Lab shows an imaging system capturing a trillion frames per second, fast enough to film light pulses travelling through objects in slow motion.

A three-minute Emacs Rocks screencast demonstrating Magit, the Git interface inside Emacs, including staging and other everyday operations.

The SIGGRAPH 2005 demo of dual photography from Stanford, which swaps the roles of projector and camera to render a scene from the light's point of view. It includes the reveal of a hidden playing card.

A short film made with cold neutron imaging at the Paul Scherrer Institut showing a moka pot brewing coffee, sped up four times. The neutron beam makes the water and steam inside the pot visible.

Dave Jones of EEVblog tears down a 1991 IBM 9121 thermal conduction module from a System/390 mainframe, a 63-layer ceramic hybrid module with 2772 pins worth about $250,000, and demonstrates a BGA desoldering technique.

CuriousMarc connects a restored 1930 Model 15 Teletype to a Linux machine and uses it as a terminal, after commenters requested it. The video shows the challenges of linking a 5-bit mechanical device to a modern OS.

A two-minute time-lapse from the Kishony Lab showing bacteria spreading across a giant petri dish with increasing antibiotic doses, evolving resistance as they go.

The author of copyparty introduces the FOSS file server he has built over five years, demoing its features such as resumable uploads, WebDAV and deduplication. The video itself is shown running on a demo server.

Andrew, diagnosed with early onset Parkinson's at 35, shows how deep brain stimulation surgery has controlled his motor symptoms. The short video shows his tremors with the stimulator off and on.

A DIY demonstration of a fan-and-screen mosquito trap that uses carbonated water as a CO2 attractant. The creator reports catching about 8,000 mosquitoes in two nights.

A concept video from Nokia Research Center and Cambridge Nanoscience Center showing Morph, a flexible, self-cleaning, shape-changing phone imagined through nanotechnology.

A long George Hotz livestream in which he explores the coronavirus genome and molecular biology from scratch using a browser and Python, hacking on the science in real time.

A demonstration comparing what a month of vaping versus a month of smoking cigarettes does to the lungs, using a filter to show the residue. It is part of a series of similar experiments.

Ben Vallack compares finger movement on a staggered keyboard with an ortholinear grid keyboard, using an Anne Pro 2 and a ZSA Planck EZ. He argues the stagger forces awkward finger motion.

A three-minute demonstration with a decommissioned 4 tesla MRI magnet showing how magnetic objects are pulled in and oscillate along the bore. It illustrates the safety hazards of ferromagnetic items near MRI scanners.

A very short microscope clip of a neutrophil chasing a Staphylococcus aureus bacterium, originally from David Rogers at Vanderbilt University. It is a widely reposted piece of immune-system footage.

A one-minute demo of Safespaces, an open source 3D and VR desktop built on the Arcan project.

A short demo of Inferno, the Plan 9 descendant operating system, running on an Android phone as Hellaphone. It shows calls, SMS and data working. The video quality is rough because the camera was held in front of the screen.

A short screen recording of an Ubuntu Karmic Koala desktop running KDE4 with Compiz Fusion 3D cube effects and CairoDock.

A short live demo of Dental Wings' Virtuo Vivo intraoral scanner at IDS 2019. It shows a fast color scan with a small, lightweight handpiece.

Linus Tech Tips replicates the Threadripper workstation Linus Torvalds built for himself, discussing the parts such as the CPU and cooler.

A short demo of a 3D Wayland compositor built with Qt 5 and QtWayland, mapping input to and compositing the output of Wayland applications in a 3D scene, also running on a Raspberry Pi.

Gamers Nexus benchmarks GPU gaming performance on Linux using the Bazzite OS, an exploratory first step toward establishing a Linux testing methodology. It compares results against Windows and notes where Linux still falls short.

A 2007 side-by-side demo comparing Windows Vista's Aero interface with Ubuntu running Beryl/Compiz, showing effects such as the desktop cube and burning windows.

The Slow Mo Guys visit a lab with a camera capable of filming at 10 trillion frames per second, fast enough to see light travel. They show the setup and the resulting footage.

AlphaPhoenix shows off a new camera that films at two billion frames per second and uses it to film a laser pointer pulse. He investigates a strange quirk in how the speed of light appears on camera.

Engineer Stuff Made Here builds two new supposedly unpickable locks with different designs and sends them to the Lock Picking Lawyer to see whether they can be defeated. The video covers the novel anti-picking mechanisms.

The author of lazygit demos 15 features of his terminal UI for git, such as staging individual lines and easier rebasing, aimed at making common git tasks simpler.

IBM's record-setting stop-motion film made by moving individual carbon monoxide molecules with a scanning tunneling microscope, illustrating atomic-scale memory research.

A short NOVA excerpt in which David Pogue abuses a Tufts-developed battery by cutting and damaging it, and it keeps working without catching fire. It comes from the documentary 'Search for the Super Battery'.

A KUKA commercial staging a table tennis match between German star Timo Boll and a KUKA KR AGILUS industrial robot. It is a polished showcase of robot speed and precision.