In 1902 Willis H Carrier invented the modern air conditioner.
New York
Carrier invented the air conditioner in 1957.
Hot air is less dense than cooler air, therefore the balloon will rise (float) on the cooler air around it.
Frederick Jones
Robert Frederick & C A Trump pateneted the first corpse cooler in 1846
cooler air is cool air
The first form of air transport was invented by the Montgolfier brothers in the year 1783. The invented the hot air balloon and did their first flight on November 21 in 1783.
Richard C. Laramay Invented the portable ice pack (or cooler).
== ==
W.H. Carrier invented the air conditioner in 1902.
God.
1234
Air cooler which cools your limited area, or decreases your room temperature.
When the ground is cooler than the air you get fog.
Warm air is less dense than cooler air.
The first electrical air conditioner was invented by Willis Haviland Carrier in 1902.