cold exposure

A cardiologist runs a detailed, skeptical review of the Wim Hof Method, covering the research on cold exposure and breathing techniques. It also teaches how to read scientific statistics critically.

A short Princeton CITP video describing cold boot attacks, where encryption keys remain in DRAM after power loss and can be recovered. It covers the attack against disk encryption such as BitLocker, FileVault and TrueCrypt.

Veritasium presents David Sinclair's information theory of aging, which says aging is a loss of epigenetic information, and the evidence that aging can be slowed or reversed. It touches on stressors like fasting, exercise and cold exposure.

A VICE documentary profiling Wim Hof, the Iceman, covering his feats of cold endurance, his breathing and meditation method, and scientific studies of his control over his autonomic and immune systems.

Kyle Conner of Out of Spec Reviews finds that new Electrify America chargers co-developed with BTC fail in cold weather, then checks ChargePoint, EVgo and other EA stations during a cold snap.

A Foreign Correspondents' Club Hong Kong conversation with Noam Chomsky on COVID-19, Donald Trump, the New Cold War and the Hong Kong protests.

A dramatization of a hypothetical Soviet first strike that destroys US bombers and Minuteman missiles, filmed with US Air Force cooperation. It is a short version of the 1979 documentary First Strike.

An 11-minute guided Wim Hof breathing session built around an expanding and contracting bubble to pace the breath. Wim breathes along with the viewer over ambient sound.

AvE tears down the Juicero cold-press juicer, examining its heavily machined parts, electronics and the pricey juice packs. He pokes fun at the product and venture-funded culture along the way.

Tom Scott explains why Britain historically has separate hot and cold taps rather than mixer taps, tracing it to how water was stored in tanks. He notes why the hot tap is not safe to drink from.

Wim Hof guides viewers step by step through his breathing method, with some explanation of the science he cites behind it. It stresses learning from the source and avoiding unsafe settings.

Sciencium examines the Mpemba effect, the claim that hot water freezes faster than cold water. It walks through experiments and a published paper questioning the effect.

Technology Connections explains why heat pumps matter right now, covering their efficiency, how they hold up in cold weather and the energy savings over burning fuel. It follows his earlier explainer on how they work.

Steve Blank tells how World War II, Stanford's Frederick Terman and military and intelligence agencies shaped the rise of Silicon Valley. The talk centers on the Cold War electronic warfare and signals intelligence work that seeded the region's tech industry.

Machine Thinking tells the story of the Cold War Heavy Press Program, the giant forging presses that make parts for aircraft, missiles and turbines.

Ivor Cummins gives an 82-minute presentation on the history and science of vitamin D and human health. He draws on expert interviews to argue that sun exposure and vitamin D status are linked to many chronic diseases.

A Channel 4 Equinox documentary on the NK-33 engines built for the Soviet N1 moon rocket and how they ended up in the USA. It includes rare footage and interviews with veterans of the early Soviet space program.

Veritasium visits Chernobyl, Fukushima and other places to find who on Earth is exposed to the most ionizing radiation. The answer turns out to be surprising and puts radiation risk in context.

The 1951 US civil defense film 'Duck and Cover', starring Bert the Turtle, which taught schoolchildren to drop and shield themselves during a nuclear attack. It was shown to millions of children and is preserved in the National Film Registry.

Tom Lehrer performs his satirical song Who's Next, about the spread of nuclear weapons, with a spoken introduction. It is a short musical comedy piece from the Cold War era.

The official HD music video for NENA's 1983 hit 99 Luftballons, a Cold War song about balloons triggering a war.

Short footage from a NASA space suit test in which a technician is exposed to near-vacuum after an accidental depressurization. It shows the instantaneous effects on a human body.

A three-minute clip from Dr. Strangelove in which Mandrake and Ripper (Peter Sellers and Sterling Hayden) discuss fluoridation and 'precious bodily fluids'. It is a famous Cold War satire scene.

A four-minute clip from Dr. Strangelove in which the President and General Turgidson argue over the 'mineshaft gap' after a nuclear war. Peter Sellers and George C. Scott play it as Cold War satire.

A ColdFusion documentary on the Sackler family and Purdue Pharma, tracing their role in the opioid crisis that has killed over 200,000 people.

Dr. Roger Seheult of MedCram reviews the benefits of sunlight beyond vitamin D, covering the solar spectrum, circadian rhythm, melatonin and infrared light. The lecture runs nearly two hours with timestamps.

Andrew Huberman's podcast episode on what makes us sleepy, helps us sleep soundly and keeps us alert. It lays out the science and a set of behavioral tools such as light timing.

A 1985 interview by G. Edward Griffin with former KGB operative Yuri Bezmenov. He describes long-running Soviet efforts at ideological subversion and manipulation of US public opinion.

The full 1984 interview with Yuri Bezmenov, a former KGB operative, in which he lays out four stages of ideological subversion. It is a long interview with G. Edward Griffin.

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.

A 1983 Los Angeles lecture by KGB defector Yuri Bezmenov on how the Soviets carried out ideological subversion of target societies through propaganda. He walks through demoralization and normalization stages.

Norwegian climber Magnus Midtbo spends a day climbing with Alex Honnold on exposed routes, shot as a vlog. The video shows the stark contrast between Midtbo's visible nerves and Honnold's calm.

Dan Tentler's DEF CON 20 talk on odd things he found on the internet through Shodan, such as stoplights, power systems and other non-computer devices exposed online. It highlights how many devices need no credentials.

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.

Part one of Sandia National Labs' first-person documentary on the use control, detonation safety and survivability of US nuclear weapons. It covers nuclear sharing in NATO and how control of use was separated from possession, leading to the always/never problem.

Isao Hashimoto's time-lapse map shows all 2053 nuclear explosions between 1945 and 1998, with each nation getting a blip and a running tally. Each second represents one month.

Asianometry examines how East Germany tried and failed to build a native semiconductor industry despite heavy investment, including the espionage involved in acquiring Western microelectronics technology.

A short clip from Udacity's Web Development course in which Reddit co-founder Steve Huffman describes how Reddit grew early on. He explains seeding the site with content from fake accounts.

A short clip of former KGB defector Yuri Bezmenov in 1984 describing Soviet ideological subversion of Western societies. It is a political commentary excerpt from his longer lecture.

A clip of a 1984 interview with KGB defector Yuri Bezmenov describing Soviet ideological subversion and demoralization of a target society, uploaded with a politically charged framing.