debunk

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.

Dave Jones of EEVblog debunks the uBeam ultrasonic wireless phone charging technology and explains why it is not practical. He covers efficiency, coupling loss and safety, and responds to the founder's remarks about engineers.

Empire Files host Mike Prysner responds point by point to John Oliver's Last Week Tonight episode on Venezuela, arguing it distorted the country's situation and the role of the US government.

Thunderf00t debunks the Waterseer, a crowdfunded device that claims to condense drinking water from the air using cool ground. He argues the physics does not support its claims.

A filmmaker explains why the Apollo moon landing footage could not have been faked in a studio, based on the video and film technology of the late 1960s. He walks through the limits of cameras, frame rates and effects of the era.

Thunderf00t debunks the Fontus self-filling water bottle, arguing that pulling meaningful amounts of water from air with a small solar-powered device is thermodynamically impractical.

Dave Jones of EEVblog debunks the Solar Roadways project, which raised millions through Indiegogo and government funding. He works through the solar generation and LED power calculations to show the idea isn't viable.

Mick West analyzes the Navy "Go Fast" UFO footage and shows with simple trigonometry and the data overlay that the object is slow and high up, consistent with a balloon. He explains how parallax makes it look fast and argues the original TV claims were wrong.

Captain Disillusion debunks a viral Chinese invisibility cloak video while parodying popular educational channels. Along the way he explains chroma keying and green screen techniques.

Thunderf00t critiques the MIT and Berkeley metal-organic framework device that claims to pull water from air using only solar heating. He argues the energy accounting does not work and that such devices are essentially fancy dehumidifiers.

A Thunderf00t video debunking Energy Vault, a gravity-based energy storage scheme that stacks concrete blocks with cranes. He argues it is impractical and compares it to pseudoscience.

Thunderf00t argues that Zero Mass Water's solar-powered atmospheric water generator is essentially a dehumidifier with solar panels. He critiques its economics and physics, especially in arid places.

Dr. Michael Greger presents his book How Not to Die at Google NYC, arguing that diet and lifestyle changes can prevent or reverse many of the top causes of death. He walks through evidence on whole-food plant-based eating.

Dr. Jason Fung, a nephrologist, explains therapeutic fasting as a treatment for obesity and type 2 diabetes. He frames it around the two-compartment problem of fat storage and insulin resistance.

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.

Nina Teicholz, author of The Big Fat Surprise, speaks at Low Carb Gold Coast 2017 about the history and health implications of vegetable and seed oils. She covers the political and institutional forces behind dietary fat advice.

Psychologist Melanie Joy's TEDxMunchen talk introduces carnism, the invisible belief system that conditions people to eat some animals but not others, and how it shapes reactions to food choices.

Gary Taubes presents the argument of his book Why We Get Fat to Googlers in 2011. He claims the type of calories matters more than the count, challenges calories-in-calories-out thinking and criticizes the low-fat dietary consensus.

Cardiologist Dr. Pradip Jamnadas lectures on the rationale for dietary restriction and fasting, covering insulin resistance, glucose intolerance, and low-carb eating over about 81 minutes.

Dr. Sarah Hallberg argues in a TEDx talk that type 2 diabetes can be treated and potentially reversed through diet, especially by restricting carbohydrates. TED flagged the talk as outside its guidelines and warned against taking it as medical advice.

A short explainer on the physiological differences between fasting and simply eating less. It covers ketosis, ghrelin and hunger waves, and the hormonal effects of fasting.

Robert Lustig of UCSF updates his sugar talk, arguing that fructose and processed foods drive obesity and metabolic syndrome through their endocrine effects. It is a roughly 90-minute university lecture.

Ruben Meerman presents a TEDx talk on the stoichiometry of weight loss, showing with lab demonstrations where fat goes when it is lost. He argues that most of it is exhaled as carbon dioxide.

Doug McGuff presents the biochemistry behind high-intensity strength training and the paleo diet, including how the body stores and burns fat. It is a roughly hour-and-a-half full-length lecture.

Rhonda Patrick interviews Salk Institute researcher Satchidananda Panda about circadian rhythms and the timing of food. They cover time-restricted feeding and its links to obesity, muscle mass, heart health, and light exposure.

Dr. Jason Fung, a nephrologist, presents his view of the causes of obesity and type 2 diabetes, focusing on hormones such as insulin rather than calories alone. The talk draws on research and his Intensive Dietary Management program.

A short Healthcare Triage episode by Aaron Carroll arguing that milk gets an undeserved pass in efforts to improve diets. It examines claims about calcium and bone strength and concludes you don't need to drink milk.

Stanford Health Care hosts Christopher Gardner and Robert Lustig on whether all calories are equal, with a focus on processed food and sugar. The talk questions the idea that calories in versus calories out fully explains weight and health.

Joseph Everett argues, drawing on the book The Salt Fix, that most people benefit from more rather than less salt, and reviews studies on sodium, potassium and blood pressure.

Rhonda Patrick interviews USC gerontologist Valter Longo about fasting, the fasting-mimicking diet, and their effects on longevity, cancer, and multiple sclerosis. They discuss mechanisms such as IGF-1 and autophagy and clinical trials.

A presentation by Janice Stanger arguing that protein is overhyped and that excess or the wrong kinds of protein are harmful. It promotes a whole-foods, plant-based diet.

Dr. Jason Fung lectures on why obesity became an epidemic since the 1970s, arguing insulin and hormones rather than calories drive weight gain. He explains why calorie counting fails and touches on low-carb eating and fasting.

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.

Rhonda Patrick of FoundMyFitness makes a case for isothiocyanates such as sulforaphane from cruciferous vegetables and broccoli sprouts. It covers cancer, aging, heart disease, brain and behavior, and neurodegeneration, with chapter timestamps.

Dr. Jason Fung's talk at the 2018 CrossFit Health Conference on therapeutic fasting for weight loss. He explains why long-term weight loss is hard and tackles common myths.

Joseph Everett compares the food environment of the US, with roughly 30% obesity, to Japan's, around 3.5%. He argues that what is available and normal to eat explains much of the gap.

Gary Yourofsky's 2010 lecture at Georgia Tech arguing for veganism on ethical, health and environmental grounds. It is a long, forceful animal-rights speech.

Prof. Eran Segal's TEDx talk on research showing that people's blood sugar responses to identical foods vary widely. It describes an algorithm that predicts individual responses and why one best diet for everyone does not exist.

A Kurzgesagt explainer asking whether organic food is really healthier or better for the environment. It defines what organic means and looks at pesticide use, nutrition and environmental impact, with sources.

Dr. Michael Greger gives a live presentation on evidence-based weight loss, previewing his book How Not to Diet. He focuses on foods that aid weight loss while also supporting health and longevity.