The Secret Physics Of Dandelion Seeds

 Information  Comments Off on The Secret Physics Of Dandelion Seeds
Mar 242020
 

Dandelion seeds fly using previously unknown physics

[arve url=”https://youtu.be/N2UbaDV9O9Q” /]

Every child knows that blowing on a dandelion clock will send its seeds floating off into the air. But physicists wanted to know more. How does an individual seed manage to maintain such stable flight?

Researchers at the University of Edinburgh studied the fluid dynamics of air flow around the seed and discovered a completely new type of flight. It’s based on a previously unknown kind of vortex which may even be common in the plant and animal kingdoms, now that we know where to look.

 

 

Turbulence: One of the Great Unsolved Mysteries of Physics

 Information  Comments Off on Turbulence: One of the Great Unsolved Mysteries of Physics
Jul 282019
 

What is turbulence and why does it happen? Explore the phenomenon that has perplexed physicists for over a century.

[arve url=”https://youtu.be/S3i6tJ4XNqA” /]

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 turbulence, and why does it happen? Tomás Chor dives into one of the prevailing mysteries of physics: the complex phenomenon of turbulence.

 

 

Why Earthquakes Are So Hard To Predict

 Information  Comments Off on Why Earthquakes Are So Hard To Predict
May 282019
 

Scientists are trying to figure out if they can predict big earthquakes by simulating small quakes in labs and studying big quakes under the ocean. Learn all about it and why earthquakes are so hard to predict in this video from Minute Earth!

[arve url=”https://youtu.be/J6d0UqY6IsA” /]