Transportation

10 Strange Facts About Hot Air Balloons

Here are some oddities from the oldest form of human flight.

Hot Air Balloon Facts

Simple facts about hot air balloons.

How Hot Air Balloons Work

HowStuffWorks.com describes how a hot air balloon works.

Make a Hot Air Balloon

Complete an experiment to see how convection works.

High Altitude Balloons

Learn how high altitude balloons are used every day.