SciShow
Record-Breaking Space Discoveries of 2016!
2016 was a lot of things, but for astronomers, it meant the discovery of some of the farthest, faintest, and youngest objects in the universe we've seen yet.
SciShow
The Cosmic Ladder That Lets Us Map the Universe
Considering how massive our universe is, we know the distances to cosmic objects surprisingly well. What tools and clues do scientists use to measure distances that are so enormous they sound like made-up numbers?
SciShow
We Are Sending a Probe into the Sun
Why are we sending a rocket into the sun? SciShow Space explains the why, what and how of Solar Probe Plus, a mission that'll give us our closest look yet at our nearest star.
SciShow
Does Using Your Phone Really Hurt Your Sleep?
You've probably heard that some types of light, like the kind that comes from your phone or laptop, can be bad for your sleep if you use them too close to bedtime. But let's be real, nighttime is the best time to binge TV, so are we...
SciShow
Airglow: Why The Night Sky Is Really Green
If you look closely enough, you'll see the night sky is actually a little green. SciShow Space explains the science behind the phenomenon known as airglow.
SciShow
The Two Asteroids That Shouldn’t Be There
Space Clue: 203 Pompeja and 269 Justitia in the asteroid belt with evidence of being formed outside of it. But the real mystery is how they got there! And we again return to Ganymede with new evidence suggesting even more kinds of water...
SciShow
Why Does The Sky Turn Green Before Tornadoes?
In some parts of the United States, it's said that a green sky means there's a tornado on the way. But while you should probably go inside, things might not necessarily get so bad"
TED-Ed
TED-ED: How to spot a counterfeit bill - Tien Nguyen
Authentic dollar bills are equipped with many security features to make them difficult to forge. But that doesn't stop counterfeiters from trying to fool people with fakes. Luckily, anyone can help catch a counterfeit; all you need are a...
SciShow
The Night Sky in Infrared
James Webb wouldn’t be equipped to look in the infrared if not for the previous missions that have allowed us to see the universe in wavelengths that the human eye can’t see!
SciShow
The Quantum Internet of the Future
You might want to hold off on sending your family's secret chili recipe across the internet to your family member who lives out of state. Researchers are working on a way to harness quantum weirdness to send information super securely!
SciShow
The Secret to Unbelievably Fast Internet: Twisting Light
You might finally be able to watch that 4k video without buffering, thanks to quantum mechanics and orbital angular momentum.
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
Can You Get a Sunburn Behind a Window?
If you’re not lounging on the beach on a hot summer day, why would you think to put on sunscreen? Well, you might need sunscreen more often than you think.
Bozeman Science
PS4A - Wave Properties
In this video Paul Andersen describes some of the properties of waves. He starts be identifying particles and waves as the only phenomenon that can transfer energy from place to place. He identifies the defining characteristics of waves;...
Bozeman Science
Wavelength
In this video Paul Andersen explains how the wavelength is the distance between oscillations in a wave. In a longitudinal wave this might be the distance between areas of compression. In a transverse wave it might be the distance between...
SciShow
Do Any Stars NOT Have Planets?
Astronomers have used a few different methods to detect exoplanets, and improved telescopes are increasing the rate of discovery. But is it possible that any stars DON'T have planets, or are they just an expected feature of stellar...
Bozeman Science
Stimulated Emission
In this video Paul Andersen explains how stimulated emission can be used to create coherent light. When an atom absorbs a photon it moves to a higher energy level through stimulated absorption. It may then release a photon and moves to a...
Bozeman Science
Matter as a Wave
In this video Paul Andersen explains how matter can act as a wave at the nanoscale. Louis de Broglie showed that the wavelength of matter can be calculated using the momentum of an object and Planck's constant. The Davisson-Germer...
SciShow
The Terrifying Fish with Transparent Teeth
The deep-sea dragonfish is a predator that lives deep in the Pacific Ocean. Like many other deep sea predators, it's got an oversized jaw and a bioluminescent appendage to attract prey, but it does have one weird (and strangely useful)...
SciShow
Its True The Sun Really Does Flash Green
The mythical green flash at sunset isn't actually a myth! Stefan explains why it happens, and how you can see it.
SciShow
Why Are There So Many Telescopes in Hawaii?
You might have realized that lots of ground-based telescopes are located in Hawaii...but why? It's not just for the beautiful sunsets.
SciShow
Roswell & New Signals from Space
With news of radio signals from distant galaxies, a government agency that wants to investigate extra-terrestrial life, and the 66th anniversary of the Roswell Incident, this week has felt like a '90s science fiction melodrama. Hank's...
Bozeman Science
Waves
Mr. Andersen introduces the concept of waves. Both transverse and logitudinal waves are described. The relationship between wave speed, wave frequency and wavelength is also included.
SciShow
Do You Really Sing Better In The Shower?
Singing in the shower seems to sound better, but what is actually happening to the sound waves in that soapy, tiled room?