mit

Primitive Technology shows building a cord drill from scratch and then upgrading it to a pump drill, using only primitive materials like a stone flywheel and cord.

A short video of railroad workers in Storfors, Sweden, using thermite to weld rail sections together.

The preface to Herb Gross's MIT OpenCourseWare 'Calculus Revisited: Single Variable Calculus', an older black-and-white lecture series. It introduces his approach to teaching calculus from the basics.

The first lecture of MIT 6.042J Mathematics for Computer Science, taught by Tom Leighton, introducing mathematical proofs. It covers propositions, implication and basic proof methods.

A Primitive Technology episode in which the creator builds a bow-drill-driven bark fan to blow air into a fire, using only natural materials. It shows the progression from fanning a fire by hand to a rotary forge blower.

The Primitive Technology channel shows the making of a stone axe (celt) using only primitive tools and materials, from shaping and polishing a basalt head to making the wooden handle and hafting it.

Sacha Arnoud, Waymo's Director of Engineering, gives a lecture in MIT's 2018 deep learning for self-driving cars course on the rise of machine learning in autonomous vehicles. It covers how Waymo uses deep learning and how it handles tricky driving situations.

The Primitive Technology channel shows the construction of a tiled roof hut in the bush using only primitive tools and materials made in earlier videos. It includes tiles, a kiln, clay walls and underfloor heating.

A tour of the historic WLW transmitter facility in Mason, Ohio, recorded at Hamvention 2013. It shows the surviving equipment from the 500,000 watt AM era, when WLW was the only US station at that power, and explains the history.

The first lecture of an MIT course on Douglas Hofstadter's Godel, Escher, Bach, covering themes like self-reference, recursion and incompleteness. The full lecture series is on YouTube.

A documentary on the 1972 Club of Rome study Limits to Growth, which questioned the pursuit of endless economic growth. It covers the study's findings and whether anyone acted on them.

A short Harvard animation narrated by Professor Rob Lue introducing mitochondria as the cell's powerhouses and how cells turn food and oxygen into energy.

Zach Hartwig of MIT introduces the key concepts of magnetic fusion energy and the state of fusion research. He then presents MIT's proposed pathway of using high-field superconducting magnets to build smaller, cheaper tokamaks on a climate-relevant timescale.

A 1992 MIT Sloan talk and Q&A by Steve Jobs, then CEO of NeXT, covering NeXT's strategy, co-creating Apple, his ouster, and the value of direct experience. It ranges across technology, business and career advice.

A three-minute David Mitchell's Soapbox rant addressed to Americans about the phrase "could care less", arguing it means the opposite of what speakers intend. Delivered as dry British comic commentary on language usage.

Jon Moore's Strange Loop 2017 talk argues that rate limiting is the wrong tool for protecting services from noisy clients. He proposes concurrency-based capacity management and quotas instead.

Noam Chomsky's 2011 University of Oslo lecture on Newton's contributions to the study of mind. He argues Newton abandoned mechanical explanation and lowered the bar for scientific intelligibility, with consequences for the limits of human understanding. Q&A starts at 45:33.

A 2019 Android Dev Summit session on the scoped storage model in Android 10. It gives a plan overview and best practices for apps adapting to the new restrictions.

Linus Tech Tips backs up their petabyte server to Google's unlimited G Suite Drive plan and runs into the daily upload cap. It shows how far the 'unlimited' offer can be pushed.

Alexander Nix of Cambridge Analytica presents at the 2016 Concordia Summit on using big data, psychographic profiling and behavioral microtargeting in elections.

Full-day livestream of the 2016 Decentralized Web Summit at the Internet Archive, with speakers including Vint Cerf, Tim Berners-Lee, Brewster Kahle, Cory Doctorow and Mitchell Baker. It explores the technology and impact of a decentralized web.

Dr. Terry Wahls tells how she used diet to manage her multiple sclerosis and get out of a wheelchair, drawing on mitochondrial biology. TED flagged the talk as health advice based on personal narrative.

Vice founder Shane Smith travels to North Korea, speaking with refugees in South Korea before crossing the DMZ. It is part one of a three-part documentary with rare on-the-ground footage.

A short clip of comedian David Mitchell on The Last Leg discussing tax avoidance versus tax evasion and why taxes matter.

A 36C3 talk that systematically evaluates OpenBSD's exploit mitigations, asking how effective they really are and what they cost in performance, complexity and inspectability. It challenges the project's security marketing.

A Mitchell and Webb sketch in which two German soldiers realize their uniforms carry skulls and wonder whether they are the baddies. It is a short comedy bit about people failing to see themselves as the villains.

An animated short on limits to growth, covering oil formation, peak oil, energy, economic growth and resource depletion. Its central section deals with exponential growth, and the author notes some statistics are dated.

A short MIT Aerospace Controls Lab demo from 2011 of a variable pitch quadrotor flying.

Euclideon's 2011 technology preview of Unlimited Detail, a rendering approach claiming unlimited geometric detail in real time via point-cloud style data. The company promised more to come while keeping most work secret.

A That Mitchell and Webb Look sketch in which a customer tries to buy a gift for his aunt in a shop that keeps pushing him toward extras.

A pieced-together clip of the Agent Smith interrogation scene from The Matrix (1999), where Smith delivers his monologue about humanity.

A six-minute sketch from That Mitchell and Webb Look in which a speaker argues you should never drink more than slightly less than two drinks, the mildly intoxicated sweet spot before drunken madness.

A one-minute clip of David Mitchell on a UK panel show explaining why he respects poor customer service in Britain. He argues that people who do their job well should not also be required to be nice.

A short That Mitchell and Webb Look sketch about the perils of working at home, with an adult-humor punchline. It is British TV comedy.

A short sketch from That Mitchell and Webb Sound, the BBC radio comedy, about a safety measure that works perfectly and so gets no credit for the lack of disasters.

A That Mitchell and Webb Look sketch in which Stone Age workers are given an orientation about the arrival of bronze. It satirizes change management and resistance to new technology.

A short sketch from That Mitchell and Webb Look in which the characters cheerfully propose a drastically callous solution to poverty. It is dark satirical comedy about cold policy logic.

Charlie Rose interviews Sir James Goldsmith in 1994 about the coming GATT free-trade agreement. Goldsmith predicts that global capital mobility will upset the balance between capital and labor.

SciPy 2015 talk by Nathaniel Smith and Stefan van der Walt on choosing a new default colormap for Matplotlib. It covers why Jet misleads, how perceptual color spaces work, and how viridis was designed.

Seven-minute footage of Fred Rogers testifying before a US Senate subcommittee in 1969 to defend federal funding for the new Corporation for Public Broadcasting. A skeptical Senator Pastore starts out abrasive and is won over during Rogers' brief, calm testimony.