SciShow
An Asteroid Visited Us From Outside the Solar System!
Earth has received its first speedy visitor from another star system, A/2017 U1, and the Dawn Mission has helped astronomers gather more evidence about possible former oceans on Ceres.
SciShow
Cassini's Dangerous Dives Through Saturn's Rings
The Cassini probe is getting more dangerous assignments as its mission nears its end, and the sun's surface may be simpler than we once thought.
SciShow
The Leviathan of Parsonstown
In the 1800s, William Parsons built a telescope larger than any in the world: The Leviathan of Parsonstown. This landmark in science history helped solve the mystery of just what a nebula could be.
Bozeman Science
Conservation of Linear Momentum
In this video Paul Andersen explains how linear momentum is conserved in all collisions. In completely elastic collisions the kinetic energy of the objects is also maintained. Several examples and demonstrations are included.
SciShow
IDTIMWYTIM Heisenberg Uncertainty Principle
The Heisenberg Uncertainty Principle might not mean what you think it means: Hank clears things up for us in this edition of IDTIMWYTIM, by distinguishing between the Uncertainty Principle and the Observer Effect, which are often conflated.
Bozeman Science
Motion of the Center of Mass
In this video Paul Andersen explains how linear motion of an object can be measured using the center of mass. Internal forces within the object can be ignored since they exist in action reaction pairs. A simple way to determine the...
SciShow
The Great Attractor: A Truly Massive Mystery
There's something out there SO massive that it's pulling on every object within hundreds of millions of light years. But we can't see it! So what DO we know? Today on SciShow Space, Reid Reimers tells us more about the Great Attractor.
PBS
Oumuamua Is Not Aliens
To repeat the space time maxim: it's never aliens .... until it is. So let's talk about 'oumuamua.
TED Talks
Aaron O'Connell: Making sense of a visible quantum object
Physicists are used to the idea that subatomic particles behave according to the bizarre rules of quantum mechanics, completely different to human-scale objects. In a breakthrough experiment, Aaron O'Connell has blurred that distinction...
SciShow
The Oldest, Most Distant Object in the Universe Discovered
Hank reports on the discovery by NASA scientists of the most distant, oldest galaxy ever observed.
TED Talks
Arthur Ganson: Moving sculpture
Sculptor and engineer Arthur Ganson talks about his work -- kinetic art that explores deep philosophical ideas and is gee-whiz fun to look at.
Bozeman Science
Kinetic Energy
In this video Paul Andersen explains how the kinetic energy of an object if due to the motion of an object. Objects can have kinetic energy but they cannot have potential energy unless they are part of a system. He then explains how to...
TED Talks
Luke Syson: How I learned to stop worrying and love "useless" art
Luke Syson was a curator of Renaissance art, of transcendent paintings of saints and solemn Italian ladies -- Very Serious Art. And then he changed jobs, and inherited the Met's collection of ceramics -- pretty, frilly, "useless"...
SciShow
The Science of Hyperloop
Michael Aranda explains the nuts and bolts of Hyperloop, the new magnet-driven, solar-powered transit system proposed by Spacex genius Elon Musk. Learn how Musk answered three vexing questions to create the transportation of the future...
TED-Ed
TED-Ed: Schrodinger's cat: A thought experiment in quantum mechanics - Chad Orzel
Austrian physicist Erwin Schrodinger, one of the founders of quantum mechanics, posed this famous question: If you put a cat in a sealed box with a device that has a 50% chance of killing the cat in the next hour, what will be the state...
SciShow
Blazars Are A Thing
Hank explains how quasars and blazars are both the same thing - just oriented differently in respect to us - and how that impacts the way we perceive them and how it also effects the ways we can study them.
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.
TED Talks
TED: Are insect brains the secret to great AI? | Frances S. Chance
Are insects the key to brain-inspired computing? Neuroscientist Frances S. Chance thinks so. In this buzzy talk, she shares examples of the incredible capabilities of insects -- like the dragonfly's deadly accurate hunting skills and the...
SciShow
How Do Spacecraft Survive Re-Entry?
How do spacecraft survive the enormous heat and crushing g's of re-entry? And why don't astronauts actually land in rockets, like they do in cartoons and comic books? SciShow Space explains!
MinutePhysics
What is Touch?
In this quantum world, what does it mean to touch something? Do we really hover above the chairs we're sitting in?
Bozeman Science
Thinking in Energy - Level 3 - Energy and Energy Transfer
In this video Paul Andersen shows conceptual thinking in a mini-lesson on energy and energy transfer. TERMS Energy - the ability to cause change Object - a material thing that can be seen and touched Transfer - the conversion of one form...
SciShow
Stealth: How to Hide a Plane
How do you engineer stealth? Sneak a peek at the methods employed to hide aircraft and boats from detection.
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...
SciShow
Great Minds: Tycho Brahe, the Astronomer With a Pet Elk
In the late 16th century, Tycho Brahe built an observatory on an island and collecting some of the most accurate data ever. He also lost his nose in a duel with a classmate -- over who was the better mathematician.