lock testing

The Lock Picking Lawyer tests the supposedly unpickable lock designs built by the Stuff Made Here channel. He looks for bypasses and weaknesses in the novel anti-picking mechanisms.

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.

CuriousMarc powers up a vintage HP 5061A cesium beam clock and explains both the quantum principle and the HP implementation in detail. It is part of a longer atomic clock series.

Benn Jordan details security vulnerabilities in Flock Safety license-plate-reading cameras and how easily they can be compromised. It includes citations from security researchers and discussion of police surveillance.

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.

UnHerd interview with Swedish epidemiologist Johan Giesecke, who explains why he thinks lockdowns are the wrong policy and describes Sweden's approach during the spring 2020 pandemic.

The opening lecture of MIT's Blockchain and Money course taught by Gary Gensler, covering the course plan, the history of failed digital currencies, cryptography and what a blockchain is.

Practical Engineering explains how canal locks work, including the water-saving basins of the new Panama Canal locks.

Benn Jordan concludes his Flock trilogy, filmed on a publicly deployed Flock Safety camera, covering a leak of camera feeds reported by 404 Media. He shows the cameras' capabilities, including panning to track people.

Stuff Made Here designs and builds an "unpickable" lock, then calls in a locksmith to see if it can be defeated. It covers the mechanical design effort and the attempt to pick it.

A short clip from an ACM and Computer History Museum interview in which Leslie Lamport discusses writing his paper on time, clocks and the ordering of events. He explains its link to special relativity.

Adam Something gives a short, tongue-in-cheek defense of Soviet-era prefab apartment blocks. He argues they offer efficient, dense housing with schools and services built nearby.

A Technology Connections video essay on how analog and digital clocks shape different mental models of time, with the minute hand acting as a progress indicator.

Veritasium tells how Kodak film was fogged by radioactive fallout from the first atomic tests, letting the company detect nuclear testing before anyone announced it. The video also covers the deal to keep it quiet and how fallout contaminated packaging.

MedCram's Dr. Roger Seheult summarizes a discussion with Dr. Michael Mina on cheap, paper-based at-home COVID-19 antigen tests. It explains why lower sensitivity can still work well for screening infectious people.

CBC Marketplace investigates locksmith scams in the Greater Toronto Area. It exposes networks of fake Google Maps listings and fake reviews, and uses hidden cameras to show how low quotes turn into overcharges.

Music YouTuber Rick Beato describes confronting the people behind copyright blocks on one of his videos. The video is a rant about how takedowns and demonetization hit music education channels.

LockPickingLawyer examines a challenge involving a tamper-sealed Abus lock and shows how the tamper seal can be defeated.

Veritasium explains why the one-way speed of light has never been measured, only the round-trip speed, since measuring it requires synchronized clocks that assume the answer. It explores the implications for relativity.

Tom Scott investigates the claim that the microwave was invented to heat hamsters, and interviews James Lovelock about freezing and microwave-thawing hamsters in the 1950s. It traces early magnetron uses beyond radar.

Benn Jordan explains how Flock Safety's license plate cameras log and share vehicle locations, and explores how adversarial AI can defeat them. It covers weak security and the surveillance risks of private police-camera networks.

Asian Boss interviews Professor Kim Woo-joo of Korea University Guro Hospital about COVID-19 in early 2020. He covers masks, testing, aerosol spread, and South Korea's response.

Deviant Ollam gives a long talk on risk and preparedness: get a lawyer, passport, locksmith and other resources before you need them. It covers practical steps to build defenses against serious problems in life.

Veritasium takes an IQ test and examines what IQ measures, its history including military use and eugenics, its controversies, and how it correlates with life outcomes. Experts including Cecil Reynolds and Stuart Ritchie contribute.

A 3Blue1Brown live lockdown math episode asking what Euler's formula e^(pi i) is actually saying. It builds intuition through exponentials, rotation and vectors landing on the unit circle.

Sabine Hossenfelder explains how special relativity leads to the block universe, in which past, present and future all exist equally, and asks what that means for whether the past still exists.

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.

Tom Scott explains the famous Dutch flower auction clock at Royal FloraHolland in Aalsmeer, a literal Dutch auction, and how the internet changed it. It is a short look at how the system worked then and now.

A short news clip of a test in which a Tesla hits a child-sized dummy while a car equipped with Luminar's lidar stops in time.

JJRicks rides a driverless Waymo in Phoenix when it gets confused by traffic cones, blocks traffic, and evades the support vehicles sent to retrieve it. The episode is one of a long series of rider-view Waymo videos.

CGP Grey argues that your brain treats a whole home as one room during lockdown, blurring work, rest and leisure. He recommends creating separate spaces and routines for different activities to stay balanced.

A Medlife Crisis video by cardiologist Rohin Francis on overdiagnosis and over-screening. It explains how detecting more disease does not necessarily mean saving more lives, and covers harms such as unnecessary treatment.

Barely Sociable presents a case that Bitcoin creator Satoshi Nakamoto is cryptographer Adam Back. It uses interview clips and circumstantial evidence, and also touches on the block size dispute.

Historia Civilis traces the history of work and time discipline, comparing modern working hours with those of medieval peasants and the changes brought by clocks and industrialization. It draws on works such as Schor's The Overworked American.

Adam Savage shows a set of Mitutoyo ceramic gauge blocks and uses them to explain metrology, the science of measurement. He argues that accuracy and precision work differently than most people assume, which changes how you think about every measuring tool.

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 146-minute Merged Podcast episode in which UAP researcher Ryan Graves talks with economist Robin Hanson about UFOs. Topics include the Great Filter, Hanson's grabby aliens model, and the push for more inquiry into UAPs.

Marques Brownlee explains why iMessage's blue and green bubbles matter, covering the technical, commercial and social side of Apple's messaging lock-in. It also discusses RCS and what could be done about it.

Dennis Gustafsson, creator of Teardown, presents how he parallelized the physics solver for an upcoming game, followed by a Q&A. The talk was given at the Better Software Conference 2025.

Tantacrul critiques the UX and UI of Steinberg's Dorico music notation software, comparing it with Sibelius and user testing it with real musicians alongside his own attempt to compose in it.