single answer

A SIGGRAPH Asia 2013 research demo of 3-Sweep, a tool for extracting editable 3D objects from a single photo using a few user strokes. It predates modern AI image tools.

A short demo of a walking droplet on a vibrating silicone oil bath passing through a double slit and producing interference, a macro-scale analogue of pilot-wave behavior.

SpaceX footage of the Grasshopper vehicle's 744 m test hop, filmed from a hexacopter that gets closer than earlier flights. Grasshopper was a vertical takeoff and landing rig built to test returning rockets to the pad.

Linus Tech Tips tests whether higher frame rates and refresh rates improve gaming performance, using Shroud and other players on aim and reaction tests at 60, 144 and 240Hz. The video is sponsored by Nvidia.

SpaceX footage of the Grasshopper reusable rocket prototype flying 325 m before landing on its pad. It was the first test to use the full navigation sensor suite and closed-loop control for a precision landing.

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 Dyalog demonstration building Conway's Game of Life in a single line of APL, step by step. It shows how array operations replace loops.

Howard Abrams demonstrates, in an EmacsConf 2015 talk, how he uses org-mode's Babel and Tramp to configure and operate remote servers from a single document. Code blocks, their results and the explanatory text all live together.

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.

A LockPickingLawyer video in which a locksmith claims his videos are fake and challenges him; he responds by picking the lock. It is a short, typical LPL demonstration.

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.

Yuta, a Japanese YouTuber, tests how much simplified Chinese a Japanese person can read, working with a Mandarin speaker. The video shows where shared kanji help and where meanings differ.

A two-minute BBC Horizon clip demonstrating the McGurk effect, where what you see of a speaker's mouth changes the sound you hear.

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.

Red Bull and the Dutch Drone Gods follow Max Verstappen's RB20 F1 car around Silverstone in a single FPV shot using a custom drone that accelerates to 300 km/h in about four seconds. The video also covers the year of development behind the drone.

Cirrus introduces Safe Return, an emergency autoland system for its Vision Jet. A passenger presses a single button and the aircraft squawks emergency, reroutes and lands itself.

A five-minute demo of the Common Lisp debugger fixing a bug, recompiling a single function, and resuming execution from the failed stack frame. It shows how to avoid re-running long computations.

A tool-assisted run of Brain Age by TASBot, shown at Awesome Games Done Quick 2016. The bot gives deliberately deranged answers while exploiting the game's error-prone recognition.

A demo of the Cubli, a 15 cm cube that uses reaction wheels to jump up onto a corner, balance there and fall in a controlled way to move. The video shows these three abilities chained into locomotion.

Ben Krasnow of Applied Science builds a DIY microbalance from an analog panel meter with an optical servo loop. It reaches about 5 micrograms of precision and is used to weigh a single eyelash at around 35 micrograms.

A Fully Charged episode where Robert Llewellyn visits an Oxford street trialling Urban Electric's pop-up chargers. These are retractable 7kW charging points built into street furniture for homes without off-street parking.

TheRasteri upgrades a single PC through every Windows version, from early releases through Windows 10, testing that old software keeps running. It is an updated version of the Chain of Fools experiment.

Epic Games shows how LED walls can provide both virtual backgrounds and real lighting, letting scenes be captured in camera in a single pass with Unreal Engine.

Mathematician singingbanana shows how he flipped ten heads in a row, with the full uncut video and answers to viewers' questions. The point is that unlikely events happen given enough attempts.

Rick Beato tests his 8-year-old son Dylan's perfect pitch on single notes, note pairs and complex polychords.