ear training

hbomberguy investigates the modern flat earth movement and why people come to believe it. The video treats the community with a measured, humorous tone and looks at the social causes behind the belief.

A Last Week Tonight segment on the US nuclear arsenal and how poorly it is maintained and secured. It covers weapons accidents, outdated launch protocols and security problems.

A short clip of Stephen Fry defending swearing as a rich and essential part of the English language and rejecting the idea that it is unnecessary.

A Last Week Tonight segment in which John Oliver explains the US nuclear waste storage problem, including the Yucca Mountain politics. It argues the country needs a safe place to store waste.

Dave Jones of EEVblog debunks the marketing claims of the self-charging nano nuclear diamond battery from NDB Inc. He argues it is no better than existing 100uW betavoltaic batteries, with an added graphene supercapacitor.

Sabine Hossenfelder explains what flat earthers believe and why, arguing that their reasoning is wrong but not stupid. She suggests scientists should take such believers more seriously.

Sabine Hossenfelder weighs the arguments for and against nuclear power, covering waste, fuel supply and newer reactor designs. She is skeptical that fast breeders and thorium solve the problems.

Autoline's John McElroy visits Sandy Munro's shop, where a Tesla Model 3 is being prepared for a teardown benchmarking study. Munro, with deep design and manufacturing experience, points out issues he dislikes about the car's build.

Rick Beato discusses a theory of why some children develop perfect pitch, based on early exposure to music. He draws on his experience with his own children.

Sabine Hossenfelder reads a confidential email and uses it to explain her worries about academia and incentives in theoretical physics research. She ties it to her earlier Nature Physics comment on research quality.

A short Adam Curtis clip on what he calls oh dearism, the habit of news reporting that presents events as a stream of sad, inexplicable happenings. He argues this leaves viewers passive and unable to imagine action.

AvE tears down a broken Dyson Animal vacuum and its expensive replacement, criticizing the molded plastic, flimsy switches and overall engineering, with his usual profane commentary.

Physicist and YouTuber Angela Collier argues in this hour-long video that AI as commonly described does not really exist. She covers the limits of the tools, biased datasets, and why they should not be used to make decisions.

A one-minute clip from a 2016 Toronto conference in which Geoff Hinton comments on deep learning and radiology. He suggests radiologists should stop being trained because machines would soon read scans better.

The video argues that machine-learning-based aimbots, which read the screen and drive the controls externally, could make cheating in FPS games undetectable. It explains how conventional aimbots work, how the new approach differs, and speculates on possible detection.

Essential Craftsman follows up on his earlier video about a DIY approach to sleep apnea. It centers on forcing nose breathing during sleep with mouth taping and nasal strips, and says to seek medical guidance.

Patrick Boyle's deadpan account of Saudi Arabia's Neom and The Line megaproject, a planned 170 km linear city that has been scaled back to a fraction of its size. He covers the feasibility problems and the financing.

Nerdwriter1 shows how rearranging the scenes of the film Passengers, so the audience shares the female lead's confusion, would change the movie. It draws on discussion of the original script.

Louis Rossmann explains how Google delisted his repair business site for almost a year, and how having AI rewrite his authentic content into corporate-style text finally restored his rankings.

Kurzgesagt addresses whether viewers can trust its videos, describing its research process and how it handles older videos with errors or overstated claims.

Freya Holmer delivers a long critique of generative AI, arguing it degrades the internet by flooding it with machine-generated junk. The video grew out of her frustration finding reliable information about a technical file format.

Louis Rossmann discusses failing keyboards on newer MacBooks, comparing a Dell keyboard repair with an Apple keyboard repair and explaining why Apple's design is costly and hard to fix.

Captain Disillusion debunks the Cicret Bracelet, a crowdfunded wearable that claimed to project a touchscreen onto the wrist. He looks at the concept, design, execution and fundraising.

Veritasium argues that every new technology, from motion pictures to TV, was predicted to revolutionize education and none did. It asks what actually could, drawing on the host's physics education research.

John Oliver's Last Week Tonight segment on standardized testing in American schools. It covers how tests drive school funding, the achievement gap, and the testing industry around companies like Pearson.

A data-visualization style timeline of the early coronavirus outbreak events by YouTuber Nathan Rich. It lays out dates of key developments in China.

Louis Rossmann's half-hour teardown criticism of the Microsoft Surface Laptop, arguing its soldered SSD and glued construction make it effectively unrepairable. It ties into his right-to-repair advocacy.

ArtosisTV's commentary on Game 1 of DeepMind's AlphaStar (Protoss) against top Zerg player Serral at Blizzcon 2019. Artosis analyzes the match with beginner-friendly commentary.

GothamChess walks through AlphaZero's famous games against Stockfish, highlighting its unusual pawn sacrifices and positional style. It is aimed at chess fans rather than ML specialists.

Climate Town tells the history of the period when the greenhouse effect was not politically controversial and the US came close to acting on climate. It covers Exxon's early climate science and the policy failures that followed.

CGP Grey argues that a classroom works well only for the one student pitched at the average level, and sketches a future of personalized instruction. It introduces the idea of a Digital Aristotle, a tutor for every learner.

A former fusion scientist argues why fusion power by 2040 is unrealistic, covering the physics challenges, neutron issues and optimistic company claims, with a brief note of good news.

Marques Brownlee reviews the Humane AI Pin and calls it the worst product he has reviewed, arguing almost no one should buy it. He explains why smartphones still beat it as a daily carry device.

A short clip from a 1973 NOVA episode in which Richard Feynman recalls his father teaching him that knowing the name of a bird in many languages tells you nothing about the bird.

A nearly four-hour video essay by hbomberguy on plagiarism on YouTube, centered on specific creators who copied other people's work. It examines what plagiarism is and how it went unaddressed.

Tom Scott writes a more honest VPN ad, with the sponsor's name redacted, and explains why the typical claims in VPN advertising are misleading. He notes the sponsor was not happy about it.

John Oliver's Last Week Tonight segment on civil asset forfeiture, the process by which police can seize property they suspect is tied to crime. It explains how the property itself is put on trial and how departments profit.

A Last Week Tonight segment on how tobacco companies sustain profits by pushing sales overseas. It covers suits against countries like Australia over plain packaging through trade-deal arbitration.

John Oliver's Last Week Tonight segment on state lotteries. It argues that the claim that lotteries fund education is misleading, because the money is fungible and often diverted to general funds.

FortNine argues that e-bikes have injury rates and speeds closer to motorcycles than to pedal bikes. It argues riders should treat them with similar safety gear and caution.