MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
SciShow
The Universe Runs on Vibes
As much as we like to talk about vibes, actual vibrations underlie pretty much everything about the universe. From the patterns of galaxies created by the Big Bang to the existence of subatomic particles, here's how the universe runs on...
PBS
Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios
Planck's Length is the length below which the concept of length loses its meaning. What exactly does that mean and what are the incredible implications this fact has upon our reality? To find out check out this episode of Space Time...
PBS
Does Antimatter Explain Why There's Something Rather Than Nothing?
The most precious substance in our universe is not gold, nor oil. It’s not even printer ink. It’s antimatter. But it’s worth every penny of it’s very high cost, because it may hold the answer to the question of why anything exists in our...
PBS
How Does Gravity Affect Light?
We know that gravity exerts its pull on light, and we have an explanation for why. Actually, we have multiple explanations that all predict the same thing. And at first glance, these explanations seem to describe completely different...
TED-Ed
TED-Ed: Can you solve the cursed dice riddle? | Dan Finkel
Ah, spring. As Demeter, Goddess of the Harvest, it's your favorite season. Humans and animals look to you to balance the bounty of the natural world which, like any self-respecting Goddess, you do with a pair of magical dice. But then,...
SciShow
The Nuclear-Powered Clocks of the Future
Atomic clocks are the best timekeepers humanity's got these days, but scientists are working toward something even better: a SUB-atomic (aka nuclear) clock.
SciShow
Could a Shirt Hear Your Heartbeat? | SciShow News
Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...
SciShow
5 Measurements You Might Not Realize Are Named After Scientists
Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.
SciShow
Some Of You Can See The Invisible
We know that not everyone's vision is perfect, which is why some of us need glasses. But some people can also just see more stuff than others! From seeing UV and infrared light, to even having bonus color receptors in our eyes, there are...
SciShow
What Does Ultrasound Gel Do?
You may have had an ultrasound before, and wondered what that gel does. Well, that weird alien goop has a purpose, and it has to do with being like our weird human skin.
SciShow
What a Cochlear Implant Actually Sounds Like
If you're not hearing impaired, you may wonder what it's like to wear a cochlear implant—what does it actually sound like? Unlike what you may think, cochlear implants don't generate sound like a hearing aid would. Instead, they actually...
SciShow
How 5G Cell Service Could Hurt Weather Forecasts
Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.
SciShow
Why Colored Noise is Better Than White Noise for Focus
While many of us have heard of white noise, did you know there are a myriad of other color noises that can help with sleep, relaxation and focus? Join Michael Aranda for a new episode of SciShow, and learn which color noise might be just...
PBS
Time Crystals!
In this episode of the Space Time Journal Club Matt discusses how two independent research teams created their own Time Crystals, a form of matter that breaks time translational symmetry and could be used in quantum computers.
3Blue1Brown
The more general uncertainty principle, beyond quantum
The general uncertainty principle, about the concentration of a wave vs the concentration of its fourier transform, applied to two non-quantum examples before showing what it means for the Heisenberg uncertainty principle.
3Blue1Brown
But what is a Fourier series? From heat flow to circle drawings: Differential Equations - Part 4 0f 5
Fourier series, from the heat equation to sines to cycles.
TED-Ed
TED-Ed: Five fingers of evolution - Paul Andersen
How can a "thumbs up" sign help us remember five processes that impact evolution? The story of the Five Fingers of Evolution gives us a clever way of understanding change in gene pools over time.
3Blue1Brown
But what is the Fourier Transform? A visual introduction.
An animated introduction to the Fourier Transform, winding graphs around circles.
SciShow
5 Ancient Structures with Amazing Acoustics
Many ancient sites had some truly amazing effects on sound waves, suggesting that early cultures may have built spaces to evoke certain sensation. And by studying the acoustics of these structures, we can learn new things about the...
SciShow
Do Cell Phones Cause Cancer?
Remember the last time you used your phone and it left a nice warm spot on your face? - Is that causing cancer? Michael Aranda tells you all about the radiation on your cell phone.
3Blue1Brown
Music And Measure Theory
How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.
TED-Ed
TED-Ed: What is color? - Colm Kelleher
Have you ever wondered what color is? In this first installment of a series on light, Colm Kelleher describes the physics behind colors-- why the colors we see are related to the period of motion and the frequency of waves.
Be Smart
Inside an ICE CAVE! - Nature's Most Beautiful Blue
Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature's most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and water molecules. Who...