Bozeman Science
Work Energy Principle
In this video Paul Andersen explains how the kinetic energy gained by an object is equivalent to the work done on the object. The force on the object must act parallel or antiparallel to the motion of the object to do work. Several...
Bozeman Science
Information Exchange
Paul Andersen explains how organisms use information to communicate with each other. Signals are used by bees doing the waggle dance to communicate the location of flowers. Territorial markings are used by wolves to establish territory....
Bozeman Science
Calculating the Electric Force
In this video Paul Andersen explains how you can use Coulomb's Law to determine the electric force between two charges. In Physics 1 students should be able to calculate the force between two charges and in Physics 2 students should be...
PBS
When Time Breaks Down
We learned how motion gives matter its mass, but how does motion affect time? Let's dive deeper into the true nature of matter and mass by exploring Einstein's photon clock thought experiment, and the phenomenon that is time dilation.
TED-Ed
TED-ED: How small are we in the scale of the universe? - Alex Hofeldt
In 1995, scientists pointed the Hubble Telescope at an area of the sky near the Big Dipper. The location was apparently empty, and the whole endeavor was risky _ what, if anything, was going to show up? But what came back was nothing...
TED Talks
Andrew Connolly: What's the next window into our universe?
Big Data is everywhere — even the skies. In an informative talk, astronomer Andrew Connolly shows how large amounts of data are being collected about our universe, recording it in its ever-changing moods. Just how do scientists capture...
SciShow
The Coming Robot Swarms
We might soon be following the logic of animal swarms to help us solve problems like traffic and constructing buildings in dangerous places, like Mars!
SciShow
Catching Solar Wind: A Truly Endless Energy Source?
We could quite possibly catch solar winds as a means for endless energy, and though it sounds like science fiction, we have the materials to do this now.
SciShow
What the Crater that Impacted the Dinosaurs Taught Us About Mars
We've been trying to understand Mars for years, but some scientists think that ancient craters on earth might hold some answers to our red neighbor's history.
SciShow
SciShow Quiz Show: Reid Reimers
Michael Aranda hosts SciShow's new Quiz Show! Hank and Reid have a battle of wits to win prizes for two lucky Subbable Subscribers! Chapters View all MICHAEL ARANDA 0:17 REID REIMERS 0:28 KEITH CHEIM 1:34 SPERM WHALE 4:26 COLLOID 5:30 A...
TED Talks
TED: Adventures of an interplanetary architect | Xavier De Kestelier
How will we live elsewhere in the galaxy? On earth, natural resources for creating structures are abundant, but sending these materials up with us to the Moon or Mars is clunky and cost-prohibitive. enter architect Xavier De Kestelier,...
MinutePhysics
Distance and Special Relativity - How Far Away is Tomorrow?
In this episode we talk about distance in space and time and answer "How far away is tomorrow?"
Bozeman Science
Wavelength
In this video Paul Andersen explains how the wavelength is the distance between oscillations in a wave. In a longitudinal wave this might be the distance between areas of compression. In a transverse wave it might be the distance between...
PBS
How Gaia Changed Astronomy Forever
The great advances in any science tend to come in sudden leaps. April 25th of 2018 marks the beginning of just such a leap for much of astronomy. In the early hours of the morning, the Gaia mission's second data release dropped. Our...
TED-Ed
TED-ED: The invisible motion of still objects - Ran Tivony
Many of the inanimate objects around you probably seem perfectly still. But look deep into the atomic structure of any of them, and you'll see a world in constant flux - with stretching, contracting, springing, jittering, drifting atoms...
SciShow
Gravitation: The Four Fundamental Forces of Physics #3
Hank continues our series on the four fundamental forces of physics with a description of gravitation -the interaction by which physical bodies attract with a force proportional to that of their masses, and which is responsible for...
Crash Course
Dark Energy, Cosmology part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don’t know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
TED Talks
Alicia Eggert: Imaginative sculptures that explore how we perceive reality
TED Fellow Alicia Eggert takes us on a visual tour of her work -- from a giant sculpture on an uninhabited island in Maine to an installation that inflates only when people hold hands to complete an electric current. Her work explores...
3Blue1Brown
Limits, L'Hôpital's rule, and epsilon delta definitions | Essence of calculus, chapter 7
What are limits? How are they defined? How are they used to define the derivative? What is L'Hospital's rule?
Crash Course Kids
Designing a Trial
It's time to design some trials. Sometimes engineers need to figure out how to test ideas. In order to do that, we need to design trials to find failure points and see how things are going to work in the real world (with gravity, wind,...
Bozeman Science
Gravitational Mass
In this video Paul Andersen explains how the gravitational mass is a measure of the force on an object in a gravitational field. The gravitational mass is based on the amount of material in an object and can be measured to a standard kg...
Crash Course
Gamma-Ray Bursts
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and...
SciShow
Why Physics Can't Totally Explain the Universe's Expansion - SciShow News
Astronomers have gotten pretty good at calculating how fast the universe is expanding, but new measurements don’t line up with the predictions of well-tested laws of physics. Now scientists have a new question to ponder: Why are these...
Crash Course
Perceiving is Believing - Crash Course Psychology
So what does perception even mean? What's the difference between seeing something and making sense of it? In today's episode of Crash Course Psychology, Hank gives us some insight into the differences between sensing and...