Magnetic Micro-Robots

From 1veritasium, 2veritasium, or sciencium. Tiny robots activated by magnetic fields may be used in future biomedical procedures. Start listening to Audible with a 30-day trial and your first audiobook, plus two Audible Originals free when you go to http://audible.com/veritasium or text veritasium to 500500 Huge thanks to: Dr. Eric Diller, Assistant Professor of Mechanical…

How to Understand the Image of a Black Hole

From 1veritasium, 2veritasium, or sciencium. We have just seen the first image of a black hole, the supermassive black hole in the galaxy M87 with a mass 6.5 billion times that of our sun. But what is that image really showing us? This is an awesome paper on the topic by J.P. Luminet: Image of…

The History of Video

From 1veritasium, 2veritasium, or sciencium. I always wanted to know why film looked better than video. Moving electronic images have as long a history but were invented for a different purpose. This video was sponsored by B&H Photo: https://www.bhphotovideo.com Huge thanks to: Richard Diehl, Video Labguy https://www.youtube.com/user/videolabguy https://www.labguysworld.com Branch Education for awesome animations https://ve42.co/BranchEd Minutephysics…

Why Machines That Bend Are Better

From 1veritasium, 2veritasium, or sciencium. Compliant mechanisms have lots of advantages over traditional devices. SimpliSafe is awesome security. It’s really effective, easy to use, and the price is great. Check out SimpliSafe here: https://simplisafe.com/veritasium I visited the Compliant Mechanisms Research group at Brigham Young University and spoke to Professor Larry Howell: https://www.compliantmechanisms.byu.edu At the above…

How Microwaving Grapes Makes Plasma

From 1veritasium, 2veritasium, or sciencium. A bisected grape in the microwave makes plasma. But how does it work? A grape is the right size and refractive index to trap microwaves inside it. When you place two (or two halves) close together the fields interact with each other creating a maximum of electromagnetic energy where they…

Are Negative Ions Good For You?

From 1veritasium, 2veritasium, or sciencium. Do negative air ions improve mood, anxiety, depression, alertness? Part of this video was sponsored by LastPass, click here to find out more: http://bit.ly/2RZZTZk Special thanks to Prof. Jack Beauchamp and Dr. Nathan Dalleska from Caltech for all their help running these experiments and discussing the research. For more, check…

Could Netflix Fix Science?

From 1veritasium, 2veritasium, or sciencium. Researchers spend much of their time writing grant applications, which adds up to a lot of wasted resources. Is there a better way to fund science? Special thanks to Profs. Kevin Gross and Carl T. Bergstrom. Their paper “Contest models highlight inherent inefficiencies of scientific funding competitions” https://arxiv.org/abs/1804.03732

A Billion Years of Moon Impacts Illuminates Earth’s History

From 1veritasium, 2veritasium, or sciencium. A study just published reveals the moon experienced a dramatic increase in cratering rates about 300 million years ago. This corroborates evidence of a similar increase in Earth impacts. The paper is: The Earth and Moon impact flux increased at the end of the Paleozoic Sara Mazrouei, Rebecca R. Ghent,…

Spinning Black Holes

From 1veritasium, 2veritasium, or sciencium. A pulsing black hole in the centre of a distant galaxy sheds light on black hole and galaxy formation. How fast are black holes rotating and how does that rotation change over its life-span? Huge thanks to Prof. Geraint Lewis and study author Dr. Dheeraj Pasham. A loud quasi-periodic oscillation…

Anti Social Media

From 1veritasium, 2veritasium, or sciencium. The main reason I don’t like social media. What do you think? Do you agree with me or not? I noticed a few years ago that on Facebook I was doing complicated calculations like: Do I actually like this post? Yes/No Do I want the person to know I like…

The Best Test of General Relativity (by 2 Misplaced Satellites)

From 1veritasium, 2veritasium, or sciencium. A launch mishap led to the best experimental confirmation of gravitational redshift. Get a free audiobook with a 30-day trial of Audible: http://audible.com/VERITASIUM or text VERITASIUM to 500500 Huge thanks to Dr. Pacome Delva: https://ve42.co/pacome Dr. Sven Herrmann: https://ve42.co/sven Gravitational Redshift Test Using Eccentric Galileo Satellites: https://ve42.co/GRtest Disclaimer: It is…

Five Firsts for Mars InSight

From 1veritasium, 2veritasium, or sciencium. Mars InSight will be the first to detect seismic activity on Mars’ surface, first to measure rate of heat transmitted from interior, first to dig nearly 5m down, first to measure magnetic fields on Mars’ surface, and first to use a robotic arm to place instruments on the surface of…

How to Film in the Ultraviolet

From 1veritasium, 2veritasium, or sciencium. Filming in UV requires removing a filter, getting UV-transparent lenses and getting a good filter to block all other light. I got my hot mirror removed here: http://ve42.co/UVcam That is an affiliate link so by ordering through the link, LifePixel will give a commission back to me. If you don’t…

How Earth Creates Its Magnetic Field

From 1veritasium, 2veritasium, or sciencium. How turbulent convection currents in Earth’s outer core make its magnetic field This video is a prequel to one that will appear here: http://ve42.co/Spin Huge thank you to Prof. Jon Aurnou who spent a lot of time explaining how planetary magnetic fields are created. He changed a lot of my…

Will Robots Take Our Jobs?

From 1veritasium, 2veritasium, or sciencium. In short, yes they will, continuing the trend of humans working less. This video was sponsored by “Robot-Proof” written by Northeastern University’s President, Joseph E. Aoun. Learn more here: https://goo.gl/hqBDLA When I think about robots taking our jobs, I am neither of the opinion that we need to panic amidst…

Why YouTube Used to Prefer Quality

From 1veritasium, 2veritasium, or sciencium. Almost four years ago I made a video about quality vs quantity on YouTube. Reflecting on how the platform is working in 2017 I find that quantity (frequency) has become significantly more important and quality less so. I’m not saying this is my recommendation for how people should make channels,…

5 Bad Reasons to Ditch the Paris Climate Agreement

From 1veritasium, 2veritasium, or sciencium. I’ve heard a lot of reasons for withdrawing from the Paris climate agreement but none of them makes sense to me. Here are some links that support my thinking: BC Carbon tax and impact: https://en.wikipedia.org/wiki/British_Columbia_carbon_tax Popular opinion about the Paris Climate Agreement: https://fivethirtyeight.com/features/was-trumps-paris-exit-good-politics/ http://climatecommunication.yale.edu/publications/paris_agreement_by_state/ India and China pledges: http://www.climatechangenews.com/2017/05/15/india-china-track-exceed-paris-climate-pledges/ Exxon…

How Should We Teach Science?

From 1veritasium, 2veritasium, or sciencium. Reflecting on the implications for education of Gunn and Drew. Original video: http://ve42.co/GunDrew Did you notice that Gunn and Drew were named that way so they rhyme with one and two, helping reduce any sort of confusion you might have in associating each character with the right system. Thinking Fast…

6-Letter DNA!

From 1veritasium, 2veritasium, or sciencium. Scientists have created living bacteria with two extra letters of genetic code, nicknamed X, and Y for short. Help me make Sciencium: http://ve42.co/JoinUs For more info: http://ve42.co/SAsynthEcoli Animated by Kyle Norby Life has been evolving on earth for about 3.7 billion years. In spite of its diversity, all living things…

Why is the Sun Slowing Down?

From 1veritasium, 2veritasium, or sciencium. The outer layer of the sun is slowing down, something we’ve known for decades but haven’t been able to figure out until now. Supported by Google Making & Science: http://youtube.com/makingscience References: A Poynting-Robertson-like drag at the Sun’s surface Ian Cunnyngham, Marcelo Emilio, Jeff Kuhn, Isabelle Scholl, Rock Bush https://arxiv.org/ftp/arxiv/papers/1612/1612.00873.pdf https://en.wikipedia.org/wiki/Poynting–Robertson_effect…

Does Hot Water Freeze Faster Than Cold Water?

From 1veritasium, 2veritasium, or sciencium. Observations over millenia and numerous experiments claim that warmer water freezes faster than cold water under identical conditions. Supported by Google Making & Science #ScienceGoals http://youtube.com/makingscience References: Mpemba Effect: https://en.wikipedia.org/wiki/Mpemba_effect Questioning the Mpemba Effect: http://www.nature.com/articles/srep37665 Royal Society of Chemistry competition: http://www.rsc.org/learn-chemistry/resource/res00001018/the-mpemba-effect?cmpid=CMP00007615 Edited by Trevor Carlee

Immediacy

From 1veritasium, 2veritasium, or sciencium. What have you been putting off? And what do you think helps videos connect? I feel like scripts and time delays inhibit connection and I want to address that. Veritasium on Patreon: http://bit.ly/VePatreon