Curated Video
Thermodynamics: Crash Course Physics
Have you ever heard of a Perpetual Motion Machine? More to the point, have you ever heard of why Perpetual Motion Machines are impossible? One of the reasons is because of the first law of thermodynamics! In this episode of Crash Course...
TED-Ed
TED-ED: What triggers a chemical reaction? - Kareem Jarrah
Chemicals are in everything we see, and the reactions between them can look like anything from rust on a spoon to an explosion on your stovetop. But why do these reactions happen in the first place? Kareem Jarrah answers this question by...
Bozeman Science
Spontaneous Processes
In this video Paul Andersen discriminates between spontaneous (or thermodynamically favored) processes and those that are not spontaneous. A spontaneous process requires no external energy source. If the enthalpy change in a reaction is...
Bozeman Science
Gibbs Free Energy
Paul Andersen attempts to explain Gibbs Free Energy. He begins by using three spontaneous reactions to explain how a change in enthalpy, entropy and temperature can affect the free energy of a system. He then applies this concept to...
Curated Video
The Impossibility of Perpetual Motion Machines
Bad ideas come and go in physics. But there’s one bit of nonsense that is perhaps more persistent than all others: the perpetual motion machine. No working perpetual motion machine has ever been experiment verified. All break the laws of...
Curated Video
Introduction to Reaction Profiles: Exothermic and Endothermic Reactions and Activation Energy
This video provides an overview of reaction profiles, explaining the concepts of exothermic and endothermic reactions, as well as activation energy. The presenter defines each of these terms, provides examples of each type of reaction,...
Curated Video
Exploring the Elastic Properties of Rubber
This video explains the elastic properties of rubber and how its molecular structure allows it to stretch and return to its original shape. It also discusses the role of entropy, as well as various treatments and processes to enhance its...
Curated Video
Boltzmann Brain Paradox Explained in Simple Words
A Boltzmann brain is not real, but what’s fascinating about it is that it thinks it’s real, and all the memories and experiences it has are real. But, of course, this brain is not real. But how would such a brain know that its memories...
Curated Video
How Air Cooled Chiller Works - Advanced
This video guides you through the basic operation of a chiller, making use of animations, illustrations, 3D models and real world photographs to help build your HVAC understanding. This covers the basics of a air cooled chiller in a...
TED Talks
Sean Carroll: Distant time and the hint of a multiverse
Cosmologist Sean Carroll attacks -- in an entertaining and thought-provoking tour through the nature of time and the universe -- a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view...
Curated Video
The Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
Our universe is prone to increasing disorder and chaos. So how did it generate the extreme complexity we see in life? Actually, the laws of physics themselves may demand it.
Curated Video
The Arrow of Time and How to Reverse It
Ever wish you could travel backward in time and do things differently? Good news: the laws of physics seem to say traveling backward in time is the same as traveling forwards. So why do we seem to be stuck in this inexorable flow towards...
MinutePhysics
The Arrow of Time feat. Sean Carroll
Why is the past different from the future? Caltech physicist Sean Carroll explains how the arrow of time is not an intrinsic property of physics, but rather an emergent feature.
Curated Video
Why Do You Remember The Past But Not The Future?
The laws of physics don’t specify an arrow of time - they don’t distinguish the past from the future. The equations we use to describe how things evolve forward in time also perfectly describe their evolution backwards in time. So the...
Catalyst University
Thermodynamic Parameters of Mixing | Example Calculations #1
In this video, I show you example calculations for ΔG, ΔS, ΔH, ΔV, all of mixing.
Packt
Practical Data Science using Python - Decision Tree - Learning Steps
This video explains decision tree - learning steps. This clip is from the chapter "Classification using decision trees" of the series "Practical Data Science Using Python".This section explains classification using decision trees.
Packt
Practical Data Science using Python - Decision Tree - Model Optimization using Grid Search Cross Validation
This video explains decision tree - model optimization using grid search cross validation. This clip is from the chapter "Classification using decision trees" of the series "Practical Data Science Using Python".This section explains...
CuriosaMente
¿La entropía destruirá el universo?
¿Qué es la entropía y que tiene que ver con el fin del universo? La entropía es una medida del desorden y la distribución de energía en un sistema. La segunda ley de la termodinámica establece que la entropía tiende a aumentar en un...
MinutePhysics
Do Cause and Effect Really Exist? (Big Picture Ep. 2/5)
Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! This video is about why there's no such thing as cause and effect at the level of fundamental particle physics, and how our...
TED-Ed
TED-Ed: The chemistry of cold packs - John Pollard
If you stick water in the freezer, it will take a few hours to freeze into ice. How is it, then, that cold packs go from room temperature to near freezing in mere seconds? John Pollard details the chemistry of the cold pack, shedding...
Curated Video
Is ACTION The Most Fundamental Property in Physics?
It’s about time we discussed an obscure concept in physics that may be more fundamental than energy and entropy and perhaps time itself. That’s right - the time has come for Action.
The Royal Institution
What is the Third Law of Thermodynamics?
Valeska Ting explains the relationship between entropy, temperature and absolute zero. Watch all four laws films: https://www.youtube.com/playlist?list=PLbnrZHfNEDZxmZmL3fZHPTeoUO8amBox2 Valeska Ting completes her series of films...
Domain of Science
The Map of Physics
Everything we know about physics - and a few things we don't - in a simple map. If you are interested in buying a print you can buy it as a poster here: North America: https://store.dftba.com/products/map-of-physics-poster Everywhere...
The Royal Institution
What is the Second Law of Thermodynamics?
What is entropy? Why is it always increasing? And what does that even mean? Dr Valeska Ting explains the second law of thermodynamics. This is the day 12 of our 2016 advent calendar on thermodynamics. Watch all the films here:...
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