The NEW SCIENCE of Moon Formation

January 11th, 2023

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Einstein once asked whether “the moon exists only when I look at it?”. It was rhetorical objection to the idea that measurement in quantum mechanics causes reality to become real. But there was a time when the moon didn’t exist, and then hours later suddenly did. At least, according to the latest simulations of its formation.

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The Science Behind Dogs’ Incredible Sense Of Smell

December 24th, 2022

In this lab, they use different flow visualization techniques to help detect contraband, residues, and develop trace particle detection methods. Part of this video was sponsored by Caseta by Lutron. Find out more at https://casetawireless.com/veritasium

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Thanks to Rich Press and NIST for the great visit.
Thanks to Matt Staymates for taking us around his lab and showing us the fascinating research being done with flow visualization.
You can check out all the cool work going on at NIST here: https://www.nist.gov/

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References:

Staymates, M.E., (2020). My Stay-at-Home Lab Shows How Face Coverings Can Slow the Spread of Disease. NIST. – https://ve42.co/FaceMaskNIST

Staymates, M. E., et al. (2016). Biomimetic sniffing improves the detection performance of a 3D printed nose of a dog and a commercial trace vapor detector. Scientific reports, 6(1), 1-10. – https://ve42.co/Staymates2016

NIST. (2022). Surface and Trace Chemical Analysis Group. – https://ve42.co/NISTgroup

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▀▀▀
Written by Derek Muller and Emily Zhang
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2022 Year End AMA

December 19th, 2022

In this 2022 end of year, Ask Matt anything, Matt discussed the upcoming year ahead for Space Time, Black Holes, the problem with the question of free will, the nature of photons of light and more!


How Can Matter Be BOTH Liquid AND Gas?

December 14th, 2022

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Supercritical Fluids are one the strangest states of matter and yet they are found everywhere from Decaf Coffee, to dry cleaning, to the atmosphere of Jupiter. When we think of an exotic state of matter we tend to think of the really weird things that matter can do in extreme circumstances – like how at very high temperatures we get the plasma that the sun is made of, or at extreme densities we get the nuclear matter of neutron stars. But there’s one state of matter – supercritical fluid – that’s not solid, liquid or gas, but is also not confined to extreme or rare environments. In fact, there are planets in our solar system completely covered with oceans of the stuff, and you’ve often been the beneficiary of its powers without even knowing it.

Special Thanks to Nigel Braun. Check out his episodes on
Supercritical Fluids: https://youtu.be/JslxPjrMzqY
Making Aerogel: https://youtu.be/Y0HfmYBlF8g

Felix Flicker’s talk on quasi-magnetic monopoles
https://youtu.be/S3xH97Su-KY

Latest paper on the detection of an active galaxy by Ice Cube
https://arxiv.org/pdf/2211.09972.pdf

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Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
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How To Measure The Tiniest Forces In The Universe

December 12th, 2022

This lab measures the tiniest forces in the universe. This video is sponsored by Brilliant. You can get started for free, or the first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription.

▀▀▀
Thanks to Rich Press and NIST for the great visit.
Thanks to Dr. Gordon Shaw for showing us around his lab and teaching us about measuring tiny forces.
You can check out all the cool work going on at NIST here: https://www.nist.gov/

▀▀▀
References:

Lee, J. (2016). Measuring Tiny Forces With Light. NIST. – https://ve42.co/Lee2016

Melcher, J., Stirling, J., Guzman, F., Pratt, J. & Shaw, G. (2014). A self-calibrating optomechanical force sensor with femtonewton resolution. Applied Physics Letters. – https://ve42.co/Melcher2014

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How Are Quasiparticles Different From Particles?

December 8th, 2022

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The device you’re watching this video on is best understood by thinking about positive and negative charges moving around a circuit of diodes and transistors. But the only elementary particle actually flowing in the circuit is the negatively charged electron. And yet those flowing positive charges are there, in the form of a particle you may never have heard of.

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Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
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Inside The Navy’s Indoor Ocean

December 1st, 2022

The US Navy has an indoor ocean that can simulate any wave in the world. This video is sponsored by Brilliant. You can get started for free, or the first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription.

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We have a tabletop game launching! Pledge your support now – https://ve42.co/KickStarterD

▀▀▀
Thanks to Kelley Stirling and the Naval Surface Warfare Center, Carderock Division for the visit.
Thanks to Miguel Quintero and Capt. Todd E. Hutchison for talking to us about the important work going on in the Maneuvering and Seakeeping Basin.
Thanks to Dr. Georgy Manucharyan at the University of Washington for his help in understanding ocean waves.

▀▀▀
References:

Webb, P. (2017). Introduction to Oceanography. Chapter 10: Waves. Online OER textbook. – https://ve42.co/Webb2017
Stewart, R. (2008). Introduction to Physical Oceanography. – https://ve42.co/Stewart2008
van den Bremer, T. S. & Breivik, Ø. (2018). Stokes drift. Phil. Trans. R. Soc. A. – https://ve42.co/Bremer2017
Monismith, S. (2020). Stokes drift: Theory and experiments. Journal of Fluid Mechanics, 884, F1. – https://ve42.co/Monismith2020
Young, I. R. (1999). Wind Generated Ocean Waves. Elsevier. p. 83. – https://ve42.co/Young1999
Wright, P. Island Physics. 4.2 Formation of Waves – https://ve42.co/IslandPhysics
American Bureau of Shipping. (2016). Guidance Notes on Selecting Design Wave by Long Term Stochastic Method. – https://ve42.co/ABS2016
James, S. & Stull, R. (2019). Wave Characteristics. UBC ATSC 113 – Weather for Sailing, Flying & Snow Sports. – https://ve42.co/James2019
Garrison, T. (2009). Oceanography: An Invitation to Marine Science (7th ed). – https://ve42.co/Garrison2009

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Written by Derek Muller & Emily Zhang
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How To See Black Holes By Catching Neutrinos

November 23rd, 2022

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Neutrinos are one of the most bizarre of known particles. Black holes are probably the most bizarre of astrophysical objects. Makes sense we should use one to study the other, no? Well, today we’re doing just that.

Special Thanks to: Science Communication Lab for DESY for use of their image in the thumbnail. Check out: https://www.scicom-lab.com/ to see more amazing images.

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Hosted by Matt O’Dowd
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Directed by Andrew Kornhaber
Associate Producer: Bahar Gholipour
Executive Producers: Eric Brown & Andrew Kornhaber
Executive in Charge for PBS: Maribel Lopez
Director of Programming for PBS: Gabrielle Ewing
Assistant Director of Programming for PBS: John Campbell

Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2022 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

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Twitter under Elon Musk WILL CHANGE THE WORLD

November 16th, 2022

Merch https://www.farzadmesbahi.com/merch
Patreon https://www.patreon.com/farzadmesbahi
Twitter @farzyness

I worked at Tesla starting in July of 2017 as an Operations Analyst out of the Bethlehem, PA distribution center facility and left as a Program Manager based out of Austin, TX as of September 2021. I spent most of my time in the distribution and supply chain organizations.

Before Tesla, I was a Director of Business Intelligence and Pricing at the largest Pet Food & Supply distributor in the US, Phillips Pet Food & Supplies based out of Easton, PA. My wife and I also owned a small business in Bethlehem, PA between 2016 and 2019.

My thoughts are my own and are not representative of everyone who currently works, or has worked at Tesla.

If you like this content I would greatly appreciate your likes and shares!

http://www.farzadmesbahi.com
http://www.linkedin.com/in/farzadmesbahi
Twitter @farzyness

#Tesla #elonmusk #twitter #TeslaNews #TeslaFSD #TeslaFSDBeta #teslastockanalysis #TeslaUpdate #investing #ElonMuskNews #teslanews #EV #FSD #investing

Timestamps:
00:00 Introduction
00:44 Tesla’s goal and current state
04:44 Tesla’s next phase
10:45 Tesla’s automation and robotics disruption
14:19 Twitter’s role in job creation
28:42 Twitter IS the Metaverse


Are there Undiscovered Elements Beyond The Periodic Table?

November 16th, 2022

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Adamantium, bolognium, dilithium. Element Zero, Kryptonite. Mythril, Netherite, Orichalcum, Unobtanium. We love the idea of fictional elements with miraculous properties that science has yet to discover. But is it really possible that new elements exist beyond the periodic table?

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Written by Fernando Franco Félix & Matt O’Dowd
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Spacetime is produced by Kornhaber Brown for PBS Digital Studios.
This program is produced by Kornhaber Brown, which is solely responsible for its content.
© 2022 PBS. All rights reserved.

End Credits Music by J.R.S. Schattenberg: https://www.youtube.com/user/MultiDroideka

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