MinutePhysics
What are Years... and the Galactic Supermassive Black Hole!
It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?
MinutePhysics
How Do Bikes Stay Up?
Learn the about the physics that allows bikes to stay upright and in motion, even without a rider.
SciShow
How to Move the Sky
The earth is always moving, and our view of the night sky is slowly but surely changing.
PBS
The Geometry of Causality
Using geometry we can not only understand, but visualize how causality dictates the order of events in our universe.
SciShow
5 Baffling Mysteries About the Universe
At the beginning of the 20th century, many scientists thought that we had learned all there was to know about physics. The problem is, the better we get at measuring things and building models of our universe, the more we discover that...
Bozeman Science
Contour Lines
In this video Paul Andersen explains how contour lines show areas of equal elevation or equal gravitational potential. Contour lines are used as an analogy for lines of equipotential in electric fields.
PBS
Can A Starfox Barrel Roll Work In Space?
DO A BARREL ROLL! Or at least, try…? The iconic move from Star Fox seems so easy, just press a button and BOOM. The ship rolls. But HOW? Barrel rolls in atmosphere are easy to execute with the use of ailerons, but in space, it's a...
Bozeman Science
Thinking in Causation - Level 3 - Causal Relationships
In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal relationships. TERMS: Cause - a thing that gives rise to an event Effect - an event Relationship - interconnection between parts of a system This...
MinutePhysics
Why December Has The Longest Days
December has the longest solar days (noon-to-noon) because of the weird way a combination of the axial tilt of the earth and the eccentricity of its elliptical orbit conspire in December. Perihelion + Solstices = Long Days.
Crash Course
How Does the Earth Move Crash Course Geography
Today, we're going to talk about how the Earth moves, but to do that, we're going to have to go way back to the early days of the galaxy! Processes that happened before the Earth even formed have led us to the geographic patterns and...
TED Talks
Nick Sears: Demo: The Orb
Inventor Nick Sears demos the first generation of the Orb, a rotating persistence-of-vision display that creates glowing 3D images. A short, cool tale of invention.
TED-Ed
TED-ED: The Sun's surprising movement across the sky - Gordon Williamson
Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the photos on top of each other. What would the sun look like in that combined image? A...
SciShow
Climate Change Moved the North Pole
The idea that the North Pole can move is nothing new, but the findings of a recent study suggest that Santa might need to pack up and find a new apartment.
SciShow
Why Galaxies are Fidget Spinners #shorts #science
Why Galaxies are Fidget Spinners #shorts #science
MinutePhysics
What are Years... and the Galactic Supermassive Black Hole!
It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?
Crash Course Kids
Why No Polar Pineapples
Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course...
SciShow
How to Tilt a Black Hole
It seems the more we learn about black holes, the more there is to find out. In this case, what in the universe could have put one on its side?
TED Talks
Insights on HIV, in stunning data visuals - Hans Rosling
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Hans Rosling unveils data visuals that untangle the complex risk factors of one of the world's deadliest (and most...
3Blue1Brown
Vectors, what even are they? Essence of Linear Algebra - Part 1 of 15
What is a vector? Is it an arrow in space? A list of numbers?
SciShow
Fun in the Summer Sun… on Saturn
For 13 years, the Cassini probe circled Saturn and sent back fascinating data about the seasons of Saturn as it moved through a 29 Earth year Saturnian year.
SciShow
New Clues to the Structure of the Universe
An incredibly bright burst of energy and a dent covered with ice give us insights into planetary and universal structure.
PBS
Quantum Physics in a Mirror Universe
When you look in mirror, and see what you think is a perfect reflection, you might be looking at universe whose laws are fundamentally different.
PBS
Can You Trust Your Eyes in Spacetime?
Last time we talked about what curvature means, looked at geodesics, great circles on spheres, and tried to understand the notion of "straightness". This week on Spacetime, we take a detour into how geometry works in spacetime. Get...