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MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
MinutePhysics
Magnets: How Do They Work?
How do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
TED Talks
TED: Let's reframe cancel culture | Sarah Jones
Cancel culture launched a reckoning that was long overdue — but that doesn't mean it's getting everything right. Filmmaker and actor Sarah Jones slips in and out of various characters as she shares her personal experience with cancel...
PBS
What If Dark Energy is a New Quantum Field?
What is Quintessence? Well we know that something is up with the way the universe is expanding - there’s some kind of anti-gravitational effect that’s causing the expansion to accelerate. We don’t know what it is - just that it competes...
MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
TED-Ed
TED-Ed: Sajan Saini: How do self-driving cars "see"?
It's late, pitch dark and a self-driving car winds down a narrow country road. Suddenly, three hazards appear at the same time. With no human at the wheel, the car uses smart eyes, sensors that'll resolve these details all in a...
SciShow
Why We're Building Underground Telescopes
Obviously most telescopes need to see the sky to do their job, but when you are studying a wave that can pass right through the earth, the best place for your telescope might be underground.
PBS
The Vacuum Catastrophe
If vacuum energy really does have the enormous value predicted by quantum field theory then our gently expanding, geometrically flat universe shouldn't exist. This is the vacuum catastrophe.
TED Talks
How compassion could save your strained relationships | Betty Hart
When personal relationships and ideological differences collide, the result can lead to strained relations -- or even years of silence and distance. Actor Betty Hart offers an alternative to cold shoulders and haughty hellos: compassion,...
MinutePhysics
MAGNETS: How Do They Work?
ow do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
TED Talks
How technology changes our sense of right and wrong | Juan Enriquez
What drives society's understanding of right and wrong? In this thought-provoking talk, futurist Juan Enriquez offers a historical outlook on what humanity once deemed acceptable -- from human sacrifice and public executions to slavery...
SciShow
How Do Noise-Canceling Headphones Work?
You're on a flight, and the drone of the engines is getting on your nerves, so you pop on a pair of noise-canceling headphones, and sweet, blessed silence descends. But those headphones aren't just muffling the sound -- they're actually...
Bozeman Science
Energy Concepts
In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.
MinutePhysics
Footnote †: Double Pendulums Are Crazy
SciShow
Strong Interaction: The Four Fundamental Forces of Physics #1a
Part one of a four part series on the fundamental forces (or interactions) of physics begins with the strong force or strong interaction - which on the small scale holds quarks together to form protons, neutrons and other hadron particles.
Bozeman Science
Wave Superposition
In this video Paul Andersen explains how waves interact when moving through one another. Unlike particles waves can interfere both constructively and destructively. The amount of interference is determined through the superposition...
Bozeman Science
Gravitational Field Strength
In this video Paul Andersen explains how the gravitational field strength is directly related to the mass of the object and indirectly related to the square of the distance from the center of mass. The equation for gravitational field...
MinutePhysics
MAGNETS - How Do They Work
How do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
Brian McLogan
Silly Mistakes Students Make with Rules of Exponents
New ReviewI see students make these type of mistakes all the time when they are first learning rules of exponents and even years after.
Curated Video
The Complete Guide to ASP.NET Core MVC (.NET 6) - Cancel Order Issue - PaymentIntentId Null?
In this video, we will resolve an issue found in the previous video using Stripe’s payments API.
Curated Video
The Complete Guide to ASP.NET Core MVC (.NET 6) - Cancel Order
In this video, you will learn how to cancel an order.
Curated Video
Multiply and Divide Rationals
A video entitled "Multiply and Divide Rationals" that shows how to divide two rational expressions.
Curated Video
Cause and Effect
It reviews cause and effect. It introduces the immediate cause and ultimate cause.
Curated Video
How to Cancel a Catalog
Howcast - Printed catalogs are an annoying, persistent relic of a simpler era: the 1990s. So clear out your mailbox clutter and save a tree with a single phone call.