bullet hell

A no-death, no-bomb run of Touhou 8 Imperishable Night Stage 6A on Lunatic difficulty, capturing all spellcards. The player describes how Eirin's dense, crisscrossing patterns work and how to manipulate the bosses' positioning.

A short explainer on the history and mechanics of public key cryptography and the Diffie-Hellman key exchange. It uses a mixing-paint-colors analogy to show how two parties can agree on a shared secret in public.

Ten minutes of ultra-slow-motion footage of bullet impacts filmed at about one million frames per second by Werner Mehl of Kurzzeit. It includes hollow points in ballistics gel and impacts on glass.

The first part of a series on programming in Jai, Jonathan Blow's in-development language. It covers compiling, writing hello world and using code from other files.

A short Art of the Problem clip explaining Diffie-Hellman key exchange, using a paint mixing analogy for one-way functions and touching on modular arithmetic and discrete logarithms.

Inventor Marc Griffin pitches his game Bulletball to the American Inventor judges. The clip shows a long, costly commitment to a game idea.

A short demo of Inferno, the Plan 9 descendant operating system, running on an Android phone as Hellaphone. It shows calls, SMS and data working. The video quality is rough because the camera was held in front of the screen.

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 1967 CBC clip in which Hunter S. Thompson faces a member of the Hell's Angels on television. The studio audience's reactions are a striking window into the era.

A short demo of a GPT-powered Linux shell that guesses the bash command you meant and sometimes hallucinates absurd results. The creator stresses that it is real and should not be trusted.

Tony Heller presents a short video arguing that climate science relies on data truncation, cherry-picking and selective presentation of statistics. It is a one-sided polemic against mainstream climate claims.

Mitchell Hashimoto walks through his setup for running a NixOS virtual machine on a Mac as his development environment, with a config repo on GitHub.

Michael Shellenberger argues in a TEDx talk that solar and wind need huge amounts of land and mining, and says nuclear power is a better path to protecting both the climate and nature.

A short Bank of England video accompanying its 2014 Quarterly Bulletin article on money creation. It explains that most money is bank deposits and that commercial banks create new money by making loans, which simultaneously create matching deposits.

Destin Sandlin of Smarter Every Day fires .22 Magnum and .38 Special bullets at Prince Rupert's drops, filmed at 170,000 frames per second. The slow-motion footage shows the bullet shattering against the glass tadpole while the drop initially survives.

Smarter Every Day films a bullet hitting a Prince Rupert's drop with a high-speed camera at 150,000 fps. It shows how the glass drop's tough head and fragile tail behave on impact.

The first episode of Google's Machine Learning Recipes series. It introduces machine learning and builds a first supervised-learning classifier in about six lines of Python using scikit-learn.

Tony Heller argues that US thermometer data shows a century of cooling and that NOAA adjusts the record to produce a warming trend.

Kurzgesagt examines what individuals can do about climate change, covering lesser-known carbon sources and why systemic and political change matter more than personal footprints.

Kurzgesagt animates Andy Weir's short story The Egg, in which a person learns that they are every human who has ever lived. It adds music and narration to the original text.

Kurzgesagt's short animated take on optimistic nihilism. It argues the universe has no inherent meaning, so we are free to create our own and enjoy life.

Kurzgesagt's animated take on climate change argues that, despite alarming headlines, there are real reasons for hope as technology, policy and public attitudes shift. It surveys trends and solutions while acknowledging the scale of the problem.

Kurzgesagt makes a selfish case for improving the world, arguing that helping people far away raises prosperity and innovation for everyone, including yourself. The animated video frames this as egoistic altruism and positive-sum cooperation.

Kurzgesagt argues that Facebook's claimed 8 billion daily video views are inflated by freebooting, meaning re-uploads of creators' videos. It describes how this harms independent creators.

Kurzgesagt explains how accumulating space junk could trigger a collision cascade (Kessler syndrome) that makes launches too dangerous and traps humanity on Earth.

Kurzgesagt compares how many people nuclear accidents have killed against other energy sources. It walks through the worst nuclear accidents and puts their death tolls in context per unit of energy.

Kurzgesagt explains stellar engines such as the Shkadov thruster and Caplan thruster, which could move the Sun and solar system across the galaxy over millions of years to avoid hazards and reach new regions.

Kurzgesagt's short animated video asks whether humanity should try to end aging, and argues the case for curing age-related disease. It is part one of a pair, with a second part by CGP Grey.

A Kurzgesagt explainer on why the human population exploded and why growth is slowing, drawing on Our World in Data. It argues that birth rates fall as countries develop, easing overpopulation fears.

Kurzgesagt lays out a speculative plan to terraform Venus, covering its hostile atmosphere and how it might be made Earth-like, with a sources page linked.

An animated Kurzgesagt explainer on bacteriophages, viruses that kill bacteria, covering how they infect and burst cells and their potential as therapy against antibiotic-resistant bacteria.

A Kurzgesagt animation walking through how a Mars base could be built and why it would be punishing, covering radiation, temperature extremes, toxic dust and the need for shielding.

A Kurzgesagt animated explainer on whether aging could be cured within our lifetimes, made with Lifespan.io and the LEAF foundation. It introduces the idea of treating aging as a medical problem.

Kurzgesagt explains the Holocene or Human Era calendar, which adds 10,000 years to the current year to anchor dates to the start of human civilization. It argues this gives a more sensible frame for human history.

A Kurzgesagt video arguing that social media's problem is information flooding and tribal polarization. It suggests a return to smaller online communities and more in-person interaction.

Kurzgesagt examines who is responsible for climate change, comparing historical, current and per-capita emissions by country. It argues that individual footprints are a distraction from larger responsibility.

Kurzgesagt explains why humans feel loneliness, its evolutionary role, and how modern life can turn it into a harmful downward spiral. It cites research and offers ideas on what to do about it.

A short Kurzgesagt animation explaining the Great Filter, the idea that finding alien life might be bad news because it implies something usually destroys civilizations. It connects the concept to the Fermi paradox.

Kurzgesagt explains how the European Union is governed, how its officials are elected or appointed, and whether a citizen's vote actually matters.

A Kurzgesagt animation giving a big-picture tour of the human immune system, its organs, transport network, and the cells it produces every day. It accompanies their IMMUNE book.