You're on an airplane when you feel a sudden jolt. Outside your window nothing seems to be happening, yet the plane continues to rattle you and your fellow passengers as it passes through turbulent air in the atmosphere. What exactly is...

The shower isn't supposed to be a dangerous place, but once you turn on the water, you might be attacked by your shower curtain. But don't blame the curtain! Blame physics!

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...

In this video Paul Andersen explains how the gas pressure is the force applied over the area of the container. It is also the change in momentum as gas molecules interact with the container and is uniform throughout the sample. Several...

We’ve all experienced it, that annoying pressure in our head when we’re flying in a plane or a storm front comes in, then it pops! Find out how this popping happens and things to avoid so you don’t harm your ears.

After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and it's tough to make out their voice over the ringing in your ears. But, by the next morning, the...

Wind is everywhere. The air is constantly moving, sometimes gently, sometimes violently. Why? Pressure, temperature and rotation come together to make wind. Here's how.

We’re all excited about the Mars rover Perseverance this week, but scientists are also working on some other exciting things!

Mount Everest is unquestionably the highest point on earth, but it doesn't always feel that way.

New ReviewLearn Bernoulli’s Principle with a straw and a ping pong ball. A fun and simple physics demo to see pressure differences in action!

New ReviewA beach ball floating in mid-air, held up by nothing but a leaf blower. It looks like a magic trick — but it's actually Bernoulli's Principle at work. Faster-moving air has lower pressure, so the airstream creates a pressure difference...

A video entitled "Air Pressure" shows an experiment to demonstrate air pressure in real life.

Science Kids Hurricanes, Tornadoes, Bomb Cyclones, Atmospheric Rivers, Floods and Extreme Weather

The video provides an overview of tornadoes, describing them as fast-spinning columns of air that can cause immense destruction. It...

How Air Pressure Affects Your Thinking

Why Weather Triggers Arthritis Pain

Howcast - Learn how to make a business card stick to a glass in this dinner table magic tricks video from Howcast.

DIY SCI host Steve Spangler demonstrates the power of air pressure using a mason jar of water and a drink coaster.

DIY SCI host Steve Spangler demonstrates how to crush a can using a little bit of water, some heat, and air pressure!

DIY SCI host Steve Spangler demonstrates the extreme crushing power of air pressure by crushing a steel drum!

DIY SCI host Steve Spangler demonstrates how the egg in the bottle experiment works.

DIY SCI host Steve Spangler demonstrates how vacuum sealing your clothes can save room in your suitcase. WARNING DO NOT TRY VACUUM SEALING PEOPLE AT HOME! LEAVE THAT TO THE PROFESSIONAL DIY SCI TEAM!

DIY SCI host Steve Spangler demonstrates the power of air pressure using a mason jar and drink coaster.

DIY SCI host Steve Spangler demonstrates how using heat and a little water can cause air pressure to crush a can!

Pupil outcome: I can describe how sound is represented in digital devices. Key learning points: - Sounds are represented as sequences of bits. - Sample rate is the number of sound samples taken per second. - Sample resolution (bit depth)...