Bozeman Science
PS3C - Relationship Between Energy and Forces
In this video Paul Andersen describes the relationship between energy and forces. When objects are directly touching electromagnetic forces can result in forces and energy exchange. When objects are not directly touching fields;...
3Blue1Brown
Derivative formulas through geometry | Essence of calculus, chapter 3
Introduction to the derivatives of polynomial terms and trigonometric functions thought about geometrically and intuitively. The goal is for these formulas to feel like something the student could have discovered, rather than something...
Curated Video
Latin American Revolutions: Crash Course World History
In which John Green talks about the many revolutions of Latin America in the 19th century. At the beginning of the 1800s, Latin America was firmly under the control of Spain and Portugal. The revolutionary zeal that had recently created...
PBS
Reversing Entropy with Maxwell's Demon
The second law of thermodynamics - the law that entropy must, on average, increase - has been interpreted as the inevitability of the decay of structure. This is .... misleading. Structure can develop in one region even as the entropy of...
Bozeman Science
Coupled Reactions
Paul Andersen explains the importance role of coupled reactions in biology. He starts by explaining how the power of a river can be harnessed by a water mill to grind grains. He describes the importance of ATP and how it is used within...
Crash Course
Congressional Leadership: Crash Course Government and Politics
This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders as well as the majority and minority...
MinutePhysics
The Unreasonable Efficiency of Black Holes
This video is about how efficient various reactions are at converting mass to energy (as we know from the Einstein mass-energy equivalence of E=mc^2). Antimatter is very efficient but it is not naturally-occurring. Chemical reactions...
Crash Course
What is Human Geography? Crash Course Geography
For the next half of this series, we will be discussing Human Geography — so we’ll still be looking at the Earth, but specifically, how human activity affects and is influenced by the Earth. Naturally, we thought the best place to start...
PBS
Zero-Point Energy Demystified
Let's talk about the mysterious zero-point energy and what it really can, and really can't do.
TED Talks
What is deep tech? A look at how it could shape the future | Antoine Gourévitch
How do companies like SpaceX make sudden breakthroughs on decades-old challenges? Emerging tech expert Antoine Gourévitch explains how deep tech -- a new approach to innovation that merges science, engineering and design thinking -- is...
TED-Ed
TED-Ed: Could we harness the power of a black hole? | Fabio Pacucci
Imagine a distant future when humans reach beyond Earth, forge cities on planets thousands of light-years away, and maintain a galactic web of trade and transport. What would it take to make that leap? And where would we get enough...
SciShow
How Engineers Are Turning Wind into Protein Powder
Alternative energy is great, but our infrastructure isn't exactly equipped to handle it. So scientists are coming up with other ways to use it, including turning it into food.
Crash Course
What Is Sociology?: Crash Course Sociology
Today we kick off Crash Course Sociology by explaining what exactly sociology is. We’ll introduce the sociological perspective and discuss how sociology differentiates itself from the other social sciences. We’ll also explore what...
SciShow
Placebos Work Even if You Know They’re Placebos!
Placebos can alleviate all sorts of symptoms, but there's debate about their usage from an ethical standpoint. Of course, a doctor can't tell a patient they're taking placebos or they won't work anymore... or will they?
TED Talks
Raj Jayadev: Community-powered criminal justice reform
Community organizer Raj Jayadev wants to transform the US court system through "participatory defense" -- a growing movement that empowers families and community members to impact their loved ones' court cases. He shares the remarkable...
TED-Ed
TED-Ed: The power of the placebo effect - Emma Bryce
The placebo effect is an unexplained phenomenon wherein drugs, treatments, and therapies that aren't supposed to have an effect -- and are often fake -- miraculously make people feel better. What's going on? Emma Bryce dives into the...
SciShow
Gina McCarthy on Public Health & Climate Change | SciShow Talk Show
Humans are great at creating, and solving, problems. Hank talks with Gina McCarthy about the biggest public health problem we face today: climate change. Gina McCarthy is the Director of C-CHANGE (Center for Climate, Health and the...
Crash Course
Reformation and Consequences: Crash Course European History
The Protestant Reformation didn't exactly begin with Martin Luther, and it didn't end with him either. Reformers and monarchs changed the ways that religious and state power were organized throughout the 16th and early 17th centuries....
Crash Course
Congressional Delegation: Crash Course Government and Politics
In which Craig Benzine teaches you about delegation, and informal powers. What are all these federal agencies about? Well, the president has a lot of stuff to do as the chief executive, and as much as Americans like to talk about...
TED Talks
Ma Yansong: Urban architecture inspired by mountains, clouds and volcanoes
Taking inspiration from nature, architect Ma Yansong designs breathtaking buildings that break free from the boxy symmetry of so many modern cities. His exuberant and graceful work -- from a pair of curvy skyscrapers that "dance" with...
Crash Course
Role-playing Games: Crash Course Games
Today, we're going to explore the world of role-playing games. Role-playing games are different than most, because they're technically a form of interactive storytelling with one player managing the game as the game master (or dungeon...
MinutePhysics
How Shor's Algorithm Factors 314191
This video explains how Shor’s Algorithm factors the pseudoprime number 314191 into its prime factors using a quantum computer. The quantum computation relies on the number-theoretic analysis of the factoring problem via modular...
Crash Course
Defense Against the Dark Arts of Influence: Crash Course Business Soft Skills
How do con artists manage to scam millions? Why do people choose to follow great leaders, or horrible ones? How do CEOs get better deals in the boardroom? Influence. In this episode of Crash Course Business, Evelyn chats to us about what...