Learning to throw a boomerang properly takes a lot of practice. And aerodynamics.

In this video Paul Andersen explains rotating object have angular momentum. The angular momentum of a point object is the product of the distant from the center of rotation and the linear momentum. The angular momentum of an extended...

When scientists are planning missions, they sometimes have to take into account the fact that the light from the Sun pushes on the spacecraft. But with solar sails, they can also use that pressure to propel the craft along.

So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and...

Did you know that, at a certain point on a moving wheel... there's no motion? I mean, kinda... it's all relative, right? Prepare to have your mind blown in this episode of Crash Course Physics where Shini delves into the world of...

In this shorts video we will rotate a segment 180 degrees. Will will understand that a rotation of 180 degrees is two 90 degree turns. We will rotate about a point or vertex, so, this will be the center of rotation. We will graph the...

Howcast - Learn how to do the spinal twist for prenatal Pilates from fitness expert Cait Morth in this Howcast workout video.

Howcast - Learn how to do the rotation on the point foot reflexology technique from certified reflexologist Chantel C. Lucier in this Howcast video.

Howcast - Learn how to ride a bike in a rotating paceline from racer Alexander Barouh in this Howcast road cycling video.

Howcast - Learn the Jodan Uke, also known as upper level receiving, from Sensei Oliver Martin in this Howcast ninjutsu video.

Howcast - Learn how to do knee to waist hooping from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to do a hula hoop duck in from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast - Learn how to do sustained hula hoop spinning from hula hooping expert Natalie "McFancy" Wise in this Howcast video.

Howcast -Learn to do the tech deck tricks known as the varial kickflip and heelflip in this Howcast video.

Howcast -Learn how to use jacks and pacioffis from glassblower Ed Donovan in this Howcast video.

If you're going to spend money on a hand-crafted cigar, you should know how to properly light it up.

Learn how to use your arm parts to tut in this Howcast dance video with choreographers Jamal Cumberbatch and Searich Wilson Hong.

Say goodbye to stress and hello to more peace and ease with a gentle yoga stretch using a chair for support.

Unwind, de-stress, and recharge with chair yoga designed to help reduce tension & improve mobility in your upper body.

A pulsing black hole in the centre of a distant galaxy sheds light on black hole and galaxy formation. How fast are black holes rotating and how does that rotation change over its life-span?

Betelguese, a red super-giant star, could be breaking the laws of physics.

In this video, we explore the Jana Bekoff Effect (or the Intermediate Axis Theorem), which involves the surprising flipping motion of objects like a wingnut in space. This phenomenon, first observed by cosmonaut Vladimir Jana Bekoff in...

Do you know how transistors work? What is it about transistors that make them the building block of so many electronic items, like computer, laptops, smartphones and tablets these days? What is a transistor? The transistor is arguably...

How the orbit of the planets is dictated by mass and the force of gravity. Physics - Our Solar System - Learning Points. The curved path of one object around another is its orbit. Objects orbit due to the effects of gravity. The...