christmas lights

Technology Connections complains about the harsh, overly blue color of modern LED Christmas lights and tries more fixes for them. It follows earlier videos by the same creator on holiday lighting.

Technology Connections experiments with filtering white and colored LEDs to make holiday lights look less garish. He explains why narrowband LED strings look harsh compared with incandescent bulbs.

Technology Connections explains why American cars all had the same standardized sealed-beam headlights until 1957. It covers the regulations behind the design and the effect on night visibility.

Half as Interesting explains why airlines flew empty 'ghost flights' out of Heathrow to keep their landing slots under use-it-or-lose-it rules.

Not Just Bikes explains how Dutch traffic lights use early detection, transit priority and conflict-free design to cut waiting. The aim is to move as many people as possible rather than as many cars.

Tom Scott investigates moire-effect beacons, called Inogon leading marks, a Swedish invention from the 1980s that shows different patterns depending on the viewer's position. He visits one used to mark an undersea cable and tracks down its history.

A short clip of a helicopter pilot harvesting Christmas trees at an Oregon farm with a sling load. The description adds facts about Oregon's Christmas tree industry.

Technology Connections explains how LED traffic lights, which do not melt snow, drew complaints and were blamed for accidents. He uses it to illustrate the 'but sometimes' fallacy against new technology.

Wendover Productions explains why Boeing's efficient 787 beat Airbus's giant A380, contrasting hub-and-spoke with point-to-point routes. It covers the economics of long-haul flights.

A Conan segment compiling local news anchors who all read the same scripted copy during the holiday season. It highlights how homogenized local broadcast news has become.

A 39-minute highlights reel of Bill Gates being deposed by David Boies in the 1998 to 2001 United States v. Microsoft antitrust case.

A WSJ report on China's 'dark factories', highly automated plants run by robots with little human presence, visiting Zeekr's EV factory. It covers Chinese labor costs, automation and overproduction in the EV industry.

Ted Young of LightStep proposes trace testing, using distributed tracing data to unify testing and observability. The KubeCon-era talk argues for testing against trace data rather than treating tests and monitoring separately.

A KRAZAM comedy sketch in which Makro walks through the latest Microsoft Office 365 Excel update in a mock stream highlights format.

Donald Knuth's 2017 Christmas Tree Lecture at Stanford about a combinatorial geometry problem whose computed numbers matched a striking formula. He tells the story of the conjecture and its sequel.

KRAZAM parody sketch in which an Excel streamer, Makro, treats the XLOOKUP function as a game-breaking meta change, spoofing e-sports commentary.

Technology Connections explains why North American tail light rules, which allow red turn signals and flashing brake lights, make signals ambiguous. He argues for amber signals and cites studies showing a safety benefit.

A Technology Connections video weighing LED streetlights against high pressure sodium lamps, covering efficiency, color, cost and light pollution. It is a follow-up to his earlier explanation of why street lights are orange.

A SIGGRAPH demo from Yoichi Ochiai's group of aerial and volumetric graphics drawn by focused femtosecond lasers with computational holography. The plasma points can be touched.

Footage of Richard Box's art installation in which fluorescent tubes light up in the ground under high voltage power lines, showing the electric fields they produce.

A NeXT, Inc. promotional video showing its highly automated factory and the manufacturing of the NeXT Cube, including automated circuit board assembly.

OK Go's music video for Upside Down & Inside Out, filmed during parabolic flights so the band and performers are weightless in the plane.

Jacob Collier layers ten vocal parts to arrange and perform Harold Darke's carol "In the Bleak Midwinter", with inventive harmony and tuning.

Not Just Bikes explains why crossing streets is dangerous in the US and Canada, where roads are designed to move cars fast, and contrasts it with Dutch designs for pedestrians.

Michael Jordan's 2009 Naismith Basketball Hall of Fame enshrinement speech, in which he thanks and also airs grievances about people who doubted him. It is known for his stories of using slights as motivation.

A short clip from Person of Interest season 2 where Root and John gain full access to The Machine and its resources. It shows the AI guiding people with targeting data.

Andrew Huberman's podcast episode on what makes us sleepy, helps us sleep soundly and keeps us alert. It lays out the science and a set of behavioral tools such as light timing.

A short infographic video on the distribution of wealth in America, contrasting what people believe, what they consider ideal, and the actual numbers. It highlights how top-heavy US wealth is.

Razbuten has his wife, who has never played games, try a sampling of titles and shows where she struggles. It highlights unspoken game conventions that experienced players take for granted.

A short Wendover Productions explainer on ETOPS, the rules that let twin-engine jets fly long routes over oceans. It covers the economics that favored twinjets like the 787 over four-engine aircraft like the A380 and 747.

Summoning Salt traces the speedrunning history of Mario Kart 64's Choco Mountain track and its famous shortcut, through the successive record holders and discoveries. It carries an epilepsy warning for flickering lights.

DIY Perks shows how to turn old or smashed TVs and monitors into realistic artificial window lights, using the backlight and Fresnel lens to simulate distant daylight.

Veritasium explores how electrical energy actually travels in a circuit, arguing that it flows through electromagnetic fields around the wires rather than through the electrons. It builds a long-cable experiment with Caltech to test when a distant bulb lights.

Dan Tentler's DEF CON 20 talk on odd things he found on the internet through Shodan, such as stoplights, power systems and other non-computer devices exposed online. It highlights how many devices need no credentials.

Daniel J. Bernstein and Tanja Lange survey recent highlights in post-quantum cryptography at 35C3, covering the NIST competition, network protocol experiments, and broken candidates.

Part 2 of the IROS 2011 keynote by Sebastian Thrun and Chris Urmson on Google's self-driving car. It shows how the car perceives its surroundings with a lidar point cloud and recognizes traffic lights and pedestrians. The audio is poor because it was recorded on a pocket camcorder.

Nine minutes of unedited footage of a very busy bicycle and car crossing at Korte Prinsengracht and Haarlemmerstraat in Amsterdam. Cyclists, pedestrians and cars flow through without traffic lights.

A Ropecon 2019 talk by a lighting designer and a software engineer on how the Odysseus larp spaceship was built, using over ten IT systems, hundreds of lights and dozens of speakers. It covers the lessons learned.

Veritasium visits Chernobyl, Fukushima and other places to find who on Earth is exposed to the most ionizing radiation. The answer turns out to be surprising and puts radiation risk in context.

A short ShaderToy piece by Martijn Steinrucken (The Art of Code) that renders rain on a windshield during a night drive, with blurred bokeh lights. It is set to music.