nasdaq 100

Practical Engineering explains what a 100-year flood actually means, combining statistics, hydrology and how society treats risk. Grady walks through local drainage infrastructure and the caveats in estimating flood probability.

Footage shot with a Nikon P1000 superzoom camera showing extreme optical zoom on distant targets from Ben Lomond in Scotland.

Alexander Rose of the Long Now Foundation describes the design and construction of the 10,000 year clock conceived by Danny Hillis. He covers the project's history, methods, and how different cultures built things to last millennia.

The first of four short videos from Bill Hammack (engineerguy) introducing and giving the history of a 100-year-old mechanical computer, Michelson's harmonic analyzer. The series goes on to explain Fourier synthesis, analysis and operation of the machine.

Chess player John Bartholomew plays opponents rated below 1000 on Chess.com and comments on optimal strategy and typical mistakes at that level. It is part of his Climbing the Rating Ladder series.

Roaring Kitty's July 2020 analysis of GameStop, arguing a bullish deep-value case when the stock was about $4 and short interest exceeded 100%. It covers fundamentals, cash balance and technicals.

Patrick Boyle examines SpaceX's planned IPO at a roughly $1.75 trillion valuation. He covers the merging of other Musk companies, orbital data center claims and the fast-track index rules that may help the listing.

Tom Scott visits Onkalo in Finland, the planned deep geologic repository for high-level nuclear waste intended to be sealed for 100,000 years.

A short, sarcastic Half as Interesting video about a tiny freight railway in Canada built to exploit a shipping regulation loophole. It explains how a track just 100 feet long counted as a railway.

Insider Food visits the Gurudwara Bangla Sahib temple in New Delhi, which feeds tens of thousands of people free daily and over 100,000 on holidays. It shows the machines and big-batch cooking that make this possible.

A short animated explainer that stages a $100 footrace in which contestants start at different distances from the line, depending on the advantages or disadvantages they inherited. It uses the race as a metaphor for how unequal starting points shape outcomes, citing US census income and poverty figures.

Tony Seba of RethinkX presents the case that solar, wind and batteries are on a cost-decline path that makes a fully renewable grid achievable. It was made for the Global 100% RE Strategy Group's joint declaration.

Fully Charged rides a 100% battery-electric ferry across the 4 km strait between Helsingborg, Sweden and Helsingør, Denmark. The ferry crosses up to 46 times a day and charges for a few minutes at each side. The video shows the charging setup, including the robot arm that couples the charger.

A condensed rendition of a project that re-uploaded one video to YouTube 1000 times, showing the accumulating compression artifacts. It pays homage to Alvin Lucier's I Am Sitting in a Room.

A short hyperlapse of a 2019 Toyota Corolla using comma.ai's OpenPilot 0.6.3 to drive 100 miles with no intervention except for the windshield wipers.

Yegor Denisov-Blanch of Stanford presents a study of nearly 100,000 developers at hundreds of companies, measuring how AI affects productivity from commit data. It finds an average boost of about 20% with wide variance by codebase, task complexity and stack.

MKBHD drives a Tesla, a Mustang Mach-E and a gas car on a 1000-mile loop to compare total trip time and charging experience.

Styropyro wires 100 car batteries in parallel to produce more current than a lightning bolt and tests what happens when it is shorted. The experiments, done with other YouTubers, show spectacular effects of extreme current.

AlphaPhoenix builds a scaled-down version of the Veritasium electricity thought experiment using about a kilometer of wire and an oscilloscope. He measures how the signal actually propagates and explains the result.

Cliff Click of Azul Systems gives a Google Tech Talk on running Java business applications on a machine with about a thousand cores. He covers hardware and software codesign, including garbage collection hardware and the JIT.

A What I've Learned video arguing that industrial seed and vegetable oils have displaced saturated fats and harmed health. It covers the history of vegetable oils, the American Heart Association's role, and rising consumption.

A short video on the US Sprint anti-ballistic missile, which accelerated to around Mach 10 in seconds under extreme g-forces and heat. It includes striking launch footage and a brief development history.

Tsoding live-codes a JSON parser from scratch in Haskell in about 111 lines, using only the standard library. It is an edited Twitch stream that explains the intuition behind parser combinators, functors, applicatives and monads.

Matt Ranney of Uber talks at GOTO Chicago 2016 about what Uber learned from growing past 1,000 production microservices. He covers regrets, sprawl and organizational effects.

Corridor Crew dive into the visual effects of Terminator 2 and try recreating the T-1000 bars scene with modern tools. They explain how the original effects were achieved.

A short demo from the Ishikawa Komuro Lab of a high-speed robot hand paired with a 1000fps vision system performing dexterous manipulation. It shows what very low-latency vision and actuation can do.

A long Joe Rogan Experience podcast episode with psychologist Jordan Peterson and biologist Bret Weinstein, recorded during the controversy at Evergreen State College. They discuss campus politics, polarization, ideology and related social topics.

Gamers Nexus builds a fully ray-traced demo in Unreal Engine to compare faked global illumination with RTX ray-traced GI. It covers the gains in dynamic scenes and accuracy against the performance cost and noise.

Linus Tech Tips tests a large batch of DisplayPort cables with a Total Phase cable tester, checking bandwidth and signal quality. Many cables did not meet their claimed specs.

A Rubber Duck Engineering episode on the years before Flutter, covering web projects and three JavaScript frameworks that influenced it, and the early DOM-based, network-loaded Flutter.

A University of Tokyo demo of a rock-paper-scissors robot that always wins, using high-speed vision to read the human hand and respond faster than people can perceive.

Dave Jones of EEVblog debunks the uBeam ultrasonic wireless phone charging technology and explains why it is not practical. He covers efficiency, coupling loss and safety, and responds to the founder's remarks about engineers.

Ilya Grigorik of Google's Make the Web Fast team explains how to build a mobile site that appears on screen within one second. He covers the network and rendering constraints on mobile.

Josh Kaufman's TEDx talk argues that you can reach practical competence in almost any skill with about 20 hours of focused practice, rather than the 10,000 hours often quoted. He describes how becoming a parent led him to rethink how adults learn, and lays out a short method for rapid skill acquisition.

Chess master Yosha Iglesias presents an analysis of Hans Niemann's games, highlighting a string of 100% engine-correlation games and comparing them with other players. It was published during the 2022 Niemann-Carlsen cheating scandal.

A 1953 US Navy training film explaining the basic mechanisms in mechanical fire control computers aboard ships. It shows how gears, differentials and cams solved mathematical problems in permanent mechanical form.

A 2015 interview in which physicist Freeman Dyson, then 91, argues that global warming concerns are exaggerated, that CO2 is beneficial and that climate models oversimplify complex systems. It is posted on a channel that opposes climate consensus.

A five-minute clip in which Erich Fromm asks whether the purpose of work is just making money. He argues that white-collar workers end up selling their personality, relating to others the way goods relate to each other on a market, and he points to creative pleasure, participation and usefulness to society as what work could offer instead.

A scene from the film Disclosure showing its virtual reality interface, including a 3D file system visualizer.

A short clip of Margaret Thatcher in Parliament in 1990 arguing that economic reforms benefited everyone even as the rich-poor gap widened. She says her opponents would rather the poor be poorer if it meant the rich were less rich.