And there's a rotor there that this motor is spinning.

So in this picture you see that rotor four is spinning faster and rotor two is spinning slower.

The stator is the stationary part of the motor s electromagnetic circuit.

Or it might just be that one little nagging thought that just goes round and round and round your mind.

So, that's a finished gear.

The wheel is turning.

SA.330Z Prototype with fenestron tail rotor.

And the other way around, if you increase the speed of rotor three and decrease the speed of rotor one, then the robot pitches forward.

So we have these stars going around in circles like this.

The top is turning clockwise.

That little gear there switches back and forth to change direction.

It is the ratio of the angle of action to the angular pitch.

Wire wheels are used on most bicycles and still used on many motorcycles.

In first approximation a molecule may be seen as a rigid rotor.

When placed in an Enigma, each rotor can be set to one of 26 possible positions.

And for all of you, you'll see it probably spinning this direction.

And turning around you is shhhhhhhhhhhhh, like that.

It's got tentacles dangling, swirling around like that.

Some time later, the team members lock Radio inside the gear shed, tied up.

We're going to move even further down, and go to one single electron spin.

He that is giddy thinks the world turns round.

And as he did so, his customer noticed that on the back side of the balance wheel was an engraving, were words.

Now the things that relate to it are swirling around.

And I was rotating it in 3D and saying, I understand now.

Everybody's head was spinning, so we thought, why not keep that momentum going...?

Wittgenstein replied, Well, what would it have looked like if it had looked as though the Earth was rotating?

The goal of such research was to eventually develop an internal combustion engine with the ability to deliver 100 milliwatts of electrical power with the engine itself serving as the rotor of the generator, with magnets built into the engine rotor itself.

This is a a highly condensed clump of neutral matter, spinning in the distant universe.

This yoyo right here cost 112 dollars, but it sleeps for 12 minutes.

And here you can see it's rotating about the vertical axis only, creating circles.

She wakes to find the house spinning in the air, held aloft by the twister.

By itself, a rotor performs only a very simple type of encryption a simple substitution cipher.

The speed of the fan is measured by a rev counter and converted to a windspeed by an electronic chip.

A squall is a doubling of the wind speed above a certain threshold, which lasts for a minute or more.

The differential analyser, a mechanical analog computer designed to solve differential equations by integration, used wheel and disc mechanisms to perform the integration.

Arc of action, Qt The arc of the pitch circle through which a tooth profile moves from the beginning to the end of contact with a mating profile.

In many instances where it did not work the shroud lines became entangled with the spinning aircraft.

Notably, the AH 64D upgrade did not include the procurement of the Longbow radar, the supply of which had been refused by the U.S. government.

Imagine if a team of physicists could stand inside of an atom and watch and hear electrons spin.

An induction motor resembles a rotating transformer, because the stator (stationary part) is essentially the primary side of the transformer and the rotor (rotating part) is the secondary side.

So, think about it as a paper thin, huge area of many hundreds of thousands of miles, which is rotating.

A downside of this method is that an object rotating at an integer multiple of the strobing frequency will also appear stationary.

On 17 May 1902, archaeologist Valerios Stais was examining the finds and noticed that one of the pieces of rock had a gear wheel embedded in it.

In a moving helicopter, however, the speed of the blades relative to the air depends on the speed of the helicopter as well as on their rotational velocity.

High speed rotating wheels operating at speeds of about 20,000 rpm are able to process up to 60,000 pounds (27 tonnes) of solution per hour (ref 3).