The Hot Air Balloon

• Michael Faraday made the first rubber balloons in 1824, for use in the laboratory. He laid two sheets of rubber on top of each other, put flour in between to prevent them from joining all the way, then sealed the edge together. When Faraday filled the balloons with hydrogen...

On hot and humid days, you may experience sticky and overheated skin, and the air can feel heavy.

This is because high humidity (the amount of water moisture the air possesses) can make it difficult to get rid of excess body heat through sweat. Usually, sw...

One factor that will determine how we behave is where we fall on the cold or hot state of the spectrum.

A hot state is when our emotions like fear or exhaustion take over. We are so eager for something that we will grab it the moment it becomes possible. Over the last year, an enormous amo...