SciShow
Can It Be Too Hot To Fly?
How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.
SciShow
New Research: Laser Guided Lightning
Researchers have published a new method of guiding lightning strikes using a laser. And another team of researchers developed a new test that uses DNA as bait for respiratory viruses like COVID-19.
TED-Ed
TED-Ed: How do airplanes stay in the air? | Raymond Adkins
By 1917, Albert Einstein had explained the relationship between space and time. But, that year, he designed a flawed airplane wing. His attempt was based on an incomplete theory of how flight works. Indeed, insufficient and inaccurate...
SciShow
Pneumatic Tubes: Transportation of the Past... And Future?
Wouldn't it be nice if our transportation was as sleek as in The Jetsons or Futurama? Flying cars are cool, but what about a giant network of human-sized tubes that run through buildings and across entire cities? Well guess what? The...
Be Smart
What Do Raindrops Really Look Like?
What do raindrops look like? Exactly how we drew them as kids, right? Wrong! Teardrop-shaped rain is physically impossible. This week I went inside a vertical wind tunnel to bring you the true shape of rain.
TED-Ed
TED-ED: All of the energy in the universe is... - George Zaidan and Charles Morton
The energy in the universe never increases or decreases -- but it does move around a lot. Energy can be potential (like a stretched-out rubber band waiting to snap) or kinetic (like the molecules that vibrate within any substance). And...
SciShow
How Intergalactic Particles Are Attacking Your Laptop
In the early 1980s IBM engineers had a hard time to to figure out inexplicable computer module failures in Denver, Colorado. When they finally cracked the puzzle, the cause turned out to be otherworldly.
SciShow
The Solar Storm That Almost Started World War III
May 23rd, 1967 could have been the beginning of the end - all thanks to the sun.
SciShow
Its a Bird Its a Plane Its Oh Yep Thats a Plane
Our modern skies are filled with these flying tubes as they shuttle hundreds of thousands of people around the world every day, but even more impressive than their numbers is the science and engineering that makes airplanes work.
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"
PBS
The Oh My God Particle
In 1991 a single atomic nucleus slammed into our atmosphere with the intensity of a macroscopic object. It's been named The Oh-My-God particle.
SciShow
NASA Might Send a Helicopter to Mars
Nothing's final yet, but there might be a drone, called the Mars Helicopter, on the upcoming Mars 2020 rover.
TED Talks
Randall Munroe: Comics that ask "what if?"
Web cartoonist Randall Munroe answers simple what-if questions ("what if you hit a baseball moving at the speed of light?") using math, physics, logic and deadpan humor. In this charming talk, a reader's question about Google's data...
MinuteEarth
Our Lungs Have A Fatal Flaw
Our respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.
SciShow
Does Microwaving Food Destroy Its Vitamins?
Many people avoid using microwave ovens, fearing how it changes the molecular structure of your food, but studies have some evidence that may surprise you.
SciShow
Baumgartner's Super Sonic Dive
Hank acknowledges the amazing feat performed by Felix Baumgartner and answers many of your questions about why it is so amazing.
TED-Ed
TED-ED: How heavy is air? - Dan Quinn
Too often we think of air as empty space - but compared to a vacuum, air is actually pretty heavy. So, just how heavy is it? And if it's so heavy, why doesn't it crush us? Dan Quinn describes the fundamentals of air pressure and explains...
SciShow
Terminal Velocity
The terminal velocity of an object is the speed at which the force of drag equals the force of gravity on that object.
SciShow
How Can It Be Too Hot To Fly?
How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.
Bozeman Science
Mechanical and Electromagnetic Waves
In this video Paul Andersen compares and contrasts mechanical and electromagnetic waves. Both types of waves transfer energy through oscillations but mechanical waves requires a medium. Several examples of each type of wave are included.
Curated Video
How We Hear
How our ears hear different frequencies, and how they work with the brain to turn these into sounds which we understand. Biology - Being Human - Learning Points. Sounds are simply movements of air molecules. Our ears are extremely...
Curated Video
Shockwaves: The Damage Caused by Supersonic Speeds
Discover the damage caused by shockwaves and how they are created by supersonic speeds. Physics - Waves - Learning Points. Waves of high pressure are produced when something moves through a medium at supersonic speed. At supersonic...
Curated Video
Skydiving
Find out how air resistance allows skydivers to land safely even from the greatest heights. Physical processes -Force and motion - Friction Learning Points Air resistance is a type of friction. Terminal velocity occurs when the forces of...