Hot Air Balloons

Hot air balloons are incredible machines that capture a tremendous amount of energy into one big bubble. The balloons use propane to heat the air over 200 degrees before blowing it into the balloon. With a capacity of 7-10 million btu's, the burners are 30-40 times the capacity of a typical home furnace. These images from last weekends balloon festival show the visible light image alongside an image taken with a thermal camera.
note: the green-yellow blobs below the balloons are people.

(Hot Shots) - Volgaborg arriving Duluth - Thermal Imaging

While to lighting wasn't exactly ideal for photographing the Dutch ship Volgaborg arriving in Duluth Tuesday, a thermal imaging camera proved interesting.
Below are the comparison images between regular photography and thermal photography. The red and white colors are the warmest while blues are cool.

Invisible Light - Thermal Infrared image of William A Irvin

Our eyes are incredible creations, but, sometimes it's interesting to look at things through a camera that can see heat. Here is a thermal image alongside a standard image of the William A Irvin -- The red color is warm and the green is cool.

William A Irvin - Thermal IR