Hot air rises.

Because hot air rises, ceiling fans may be used to keep a room warmer in the winter by circulating the warm stratified air from the ceiling to the floor.

And, I mean, first of all we nobody had actually crossed the Atlantic in a hot air balloon before, so we had to build a hot air balloon that was capable of flying in the jet stream, and we weren't quite sure, when a balloon actually got into the jet stream, whether it would actually survive the 200, 220 miles an hour winds that you can find up there.

The unit heats air at the bottom, reducing its relative humidity, and the natural tendency of hot air to rise brings this low humidity air into contact with the clothes.

ECO COOLER B'Deshi Innovation Hot air gets into bottle, gets compressed neck, making air cooler b4 entering room! pic.twitter.com mT63WEkf89 Rasheed Kappan ( kappansky) May 22, 2016

The earth's pull is what makes hot air rise, and this convection shapes flames into their familiar form.

History The early stages Hot air balloons had been used with military purposes in Spain as far back as 1896.

Such wasted heat, along with heat from the product being microwaved, is exhausted as warm air through cooling vents.

Instead of using hot air to dry the clothing, mechanical steam compression dryers use water recovered from the clothing in the form of steam.

Heated wine.

The hot water's optional.

And you also get hot water. The hot water's optional.

Here, drink your hot milk. Not now, Martha.

Bring me the hot iron.

Worth a redhot poker?

Hot lead for gold?

Some hot water.

Hot water, Sir.

A thermocouple on the dome determines where the heated air reaches the dome and the deflection off the center is a measure of the acceleration applied to the sensor.

Hot glue, by the way, a hot glue gun, it's the greatest maker toy you can possibly have.

McCain, Obama, and Hot Air

I am going to use it a little longer.

Heat some water and wash him.

Bring some hot water.

Beats hot milk and butter.

At the city's southern outskirts, near the historic Pyrohiv village, there is an outdoor museum, officially called the Museum of Folk Architecture and Life of Ukraine It has an area of .

60 squared plus 32 squared is equal to x squared.

May I take this hot water?

To fill you with hot gruel and good cheer.

Well, maybe some hot water.

Our area squared is equal to a squared times b squared. a squared times d squared, plus c squared times b squared, plus c squared times d squared.

This distance squared plus this distance squared is going to equal that distance squared.

An alternative to hammering on the hot end is to place the hot end on the anvil and hammer on the cold end.

Not like hot water made cold, or cold water turned hot, but water boiled off and becoming steam.

So ultimately, 20 million square feet of asphalt was replaced or avoided, and electrical consumption for air conditioning went down, while employment for people to maintain those grounds went up, resulting in a net savings to the system, but also healthier students and schools system employees as well.

Which is equal to secant squared.

This is some warm stew for you.

and you also get hot water.

An elderly woman pouring hot tea for protesters.

You heat up one side, the hot side.

I love my hot glue gun!

Your feet are going to freeze, go inside and soak them in hot water.

Mammy, I want some hot water. Yes, sir.

Do you want some hot water?

I brought you some nice hot milk.