The firehose instability (or hose-pipe instability) is a dynamical instability of thin or elongated galaxies. The instability causes the galaxy to buckle or bend in a direction perpendicular to its long axis. After the instability has run its course, the galaxy is less elongated (i.e. rounder) than before. Any sufficiently thin stellar system, in which some component of the internal velocity is in the form of random or counter-streaming motions (as opposed to rotation), is subject to the instability. The firehose instability is probably responsible for the fact that elliptical galaxies and dark matter haloes never have axis ratios more extreme than about 3:1, since this is roughly the axis ratio at which the instability sets in. It may also play a role in the formation of barred spiral galaxies, by causing the bar to thicken in the direction perpendicular to the galaxy disk. The firehose instability derives its name from a similar instability in magnetized plasmas. However, from a dynamical point of view, a better analogy is with the Kelvin–Helmholtz instability, or with beads sliding along an oscillating string. (Wikipedia).
Equilibrium Solutions and Stability of Differential Equations (Differential Equations 36)
https://www.patreon.com/ProfessorLeonard Exploring Equilibrium Solutions and how critical points relate to increasing and decreasing populations.
From playlist Differential Equations
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From playlist Chemistry
Watch the explosive demise of a weather balloon
What happens when a weather balloon climbs too high? Learn more: http://www.sciencemag.org/news/2017/03/watch-explosive-demise-weather-balloon
From playlist Materials and technology
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From playlist Physics
This video derails very quickly. Oops. Oh well, I love you anyway. https://www.reddit.com/r/ExplosionsAndFire/ https://twitter.com/Explosions_Fire https://www.patreon.com/ExplosionsandFire
From playlist Older Videos
AWS Kinesis Tutorial for Beginners | Introduction to Amazon Kinesis | AWS Training | Edureka
🔥Edureka AWS Architect Certification Training: https://www.edureka.co/aws-certification-training This video is about the features and benefits of AWS Kinesis. It shows how AWS Kinesis can be effectively used for processing the streaming data. The topics that we will cover in this session a
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Physics of Water University of Wisconsin - Madison Executive Producer and Host: Clint Sprott
From playlist The Wonders of Physics with Prof. Sprott - CosmoLearning.com
PowerShell+ 2019 - Turn your logs into actionable data at any scale with AWS by Andrew Pearce
As Enterprises move towards disposable infrastructure, application and platform logs can often be forgotten or lost entirely as servers are replaced. These logs can be an incredible source of information for improving the understanding of your application, troubleshooting application issue
From playlist PowerShell + DevOps Global Summit 2019
DevOpsDays Boston 2019 - The Test Automation Firehose by Thomas Haver
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From playlist DevOpsDays Boston 2019
Read the full experiment at http://www.stevespanglerscience.com/experiment/fire-tornado When you picture a tornado, most of us imagine a whirling column of air poking down from the clouds. But this tornado-like effect is not limited to just the air. A fire tornado or fire whirl is just lik
From playlist Steve on the News
RailsConf 2014 - Biggish Data With Rails and Postgresql by Starr Horne
Once your database hits a few hundred million rows normal ActiveRecord conventions don't work so well. ...you find yourself in a new world. One where calling count() can bring your app to its knees. One where migrations can take all day. This talk will show you how to work with big datas
From playlist RailsConf 2014
DjangoCon US 2015 - Leveraging Procedural Knowledge by K Rain Leander
Leveraging Procedural Knowledge On the road to senior developer, one has to learn multiple languages. This often seems like a series of massive obstacles wherein each new language resembles a new beginning. However, developers may often underestimate the extent to which procedural knowled
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Cascadia Ruby 2014- Be Awesome By Being Boring
By, John Hyland Boring technology is awesome. The more boring, the better. It's less shiny, but you get to spend all your time writing code and building new things that actually work, and that's the most exciting part anyway! Come to this talk and you'll walk away armed with simple, prove
From playlist Cascadia Ruby 2014
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From playlist Chemistry
Heterogeneous Equilibrium - Homogeneous Equilibrium
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From playlist Chemistry
Stanford Seminar - Productive Efficiency, Ideology, and AI in Wikipedia
Aaron Halfaker Wikimedia Dynamic professionals sharing their industry experience and cutting edge research within the human-computer interaction (HCI) field will be presented in this seminar. Each week, a unique collection of technologists, artists, designers, and activists will discuss
From playlist Stanford Seminars
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From playlist Chemistry
Analyzing Correlations between #BTC Tweets and Bitcoin Trading Using Natural Language Processing
To learn more about Wolfram Technology Conference, please visit: https://www.wolfram.com/events/technology-conference/ Speaker: Swede White Wolfram developers and colleagues discussed the latest in innovative technologies for cloud computing, interactive deployment, mobile devices, and m
From playlist Wolfram Technology Conference 2018
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From playlist Physics
Spectacular Lava "Waterfall" Pours Into the Ocean | National Geographic
A spectacular "firehose" of lava has poured into the ocean at Hawai'i Volcanoes National Park. The explosions into the sea come at the Kamokuna lava delta, with the lava flowing from Hawaii's Kilauea volcano. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National G
From playlist News | National Geographic