MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
MinutePhysics
Immovable Object vs. Unstoppable Force - Which Wins
Immovable Object vs. Unstoppable Force - Which Wins
TED Talks
TED: How to build a global pro-democracy movement | Yordanos Eyoel
Democracy is the most compelling vision we have for self-governance, says freedom advocate Yordanos Eyoel. Taking a stand against predatory and opportunist authoritarian forces, she shares how to reimagine, accelerate and protect the...
TED Talks
TED: How to build a global pro-democracy movement | Yordanos Eyoel
Democracy is the most compelling vision we have for self-governance, says freedom advocate Yordanos Eyoel. Taking a stand against predatory and opportunist authoritarian forces, she shares how to reimagine, accelerate and protect the...
TED Talks
TED: How stem cells orchestrate healing — and how to speed it up | Kevin Stone
From synthetic embryos to lab-grown skin, we live in a brave new world of stem cell advances. So why can it still take years to recover from injury? Orthopedic surgeon Kevin Stone is working to accelerate the body's healing response so...
TED Talks
TED: The tree-growing movement restoring Africa's vital landscapes | Wanjira Mathai
2023 Audacious Project grantee Wanjira Mathai is at the forefront of re-greening the planet. Through the forest restoration initiative Restore Local, she's working to help both Africa's people and its landscapes flourish. Learn more...
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...
MinutePhysics
What if the Earth Were Hollow
What if there were a tunnel through the middle of the earth and you jumped in?
MinutePhysics
How To Make MUONS
This video is about how to create muons in a particle accelerator via bombardment of heavy nuclei with protons, which results in creation of charged pions (plus and minus). The pions then decay into muons and mu neutrinos, and the muons...
TED-Ed
TED-Ed: Three ways the universe could end - Venus Keus
Our universe started with the Big Bang, but how will it end? Explore cosmologists’ three possible scenarios: the Big Crunch, the Big Freeze and the Big Rip. -- We know about our universe’s past: the Big Bang theory predicts that all...
MinutePhysics
Immovable Object vs. Unstoppable Force - Which Wins
Immovable Object vs. Unstoppable Force - Which Wins
MinutePhysics
Hitting the Sun is HARD
This video is about the orbital mechanics of why it's so hard to crash into the sun - the energy it takes to get there is astoundingly high, compared with leaving the solar system.
SciShow
Yellowstone Supercomputer
Ever notice how adding "super" in front of something makes it way more awesome? Hank gives us the rundown on the Yellowstone SUPERcomputer.
PBS
Will Starshot's Insterstellar Journey Succeed?
Yuri Milner's Breakthrough Starshot is an interstellar travel expedition unlike any other before it. It's many years in the making and is contingent on a series of incredible advancements in nanotechnology, materials science and laser...
TED Talks
Roy Bahat and Bryn Freedman: What is the meaning of work?
Roy Bahat was worried. His company invests in new technology like AI to make businesses more efficient -- but, he wondered, what was AI doing to the people whose jobs might change, go away or become less fulfilling? The question sent him...
Bozeman Science
Gravitational Force
In this video Paul Andersen explains how an object with mass placed in a gravitational field experiences a gravitational force. On the Earth this gravitational force is known as weight. The gravitational force is equal to the product of...
SciShow
The Electric Thruster That Could Send Humans to Mars
To get humans on Mars we're going to need some innovative tech that can move lots of things at high speed. Luckily, we might already have something that can do the job.
PBS
Is Gravity An Illusion?
Most of us take gravity as an assumed part of our living realities, but why? Basic physics introduces us to the concept of gravity from a Newtonian sense, but when you start factoring Einstein into an understanding of gravity, things get...
Bozeman Science
Interaction Forces
In this video Paul Andersen explains how forces on an object always require another object. An object cannot exert a force on itself. If net forces on an object are balanced the object will remain at rest or move with a constant...
Bozeman Science
Newton's Second Law
In this video Paul Andersen explains how Newton's Second Law applies when a net force acts on a body. The net force vector and the acceleration vector will act in the same direction. If an object acts on another object in a system the...
Bozeman Science
Newton's Third Law
In this video Paul Andersen explains how Newton's Third Law applies to all objects. When an object applies a force to another object (Action) and equal and opposite force (Reaction) is applied to the original object. Several scenarios...
SciShow
Why Are Cheetahs the Fastest Land Animal?
Cheetahs are fast. You know this. But which is faster: a cheetah, or a Tyrannosaurus rex?
Bozeman Science
PS2A - Forces and Motion
Paul Andersen introduces forces, motion, and Newton's three laws in this video. He begins by describing forces as pushes or pulls on objects that produce motion. A lack of motion results from a balanced set of forces. A teaching...
TED-Ed
TED-Ed: Newton's 3 Laws, with a bicycle - Joshua Manley
Why would it be hard to pedal a 10,000 pound bicycle? This simple explanation shows how Newton's 3 laws of motion might help you ride your bike.