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Predicting the IR Market

One year ago I made some predictions about where I thought the market might be headed (click here to read full post). It is useful, I think, to see how today’s reality compares with yesterday’s dreams.

• A $1,000 imager

We are close, but thankfully not yet there. Sales of lower-cost systems continue to grow. This has […]

Energy Balance

The Thanksgiving feast was delicious and the leftovers were too. I’m certain my calorie intake over the past week is quite out of balance with my use of energy.

A wooden kitchen match, burned entirely, gives off approximately on British Thermal Unit (Btu) of energy. One Calorie is the energy equivalent of burning four kitchen […]

Things Get Hot for our Friend

We left our friend, Mr. Turkey, warm and happy in last week’s blog post.

Last week we left our wildlife friend, Mr. Turkey, exposed and thermally obvious. You can imagine what happened between then and this week.

So let’s talk again talk about capacitance , the thermal concept so fundamental to much of our work. Whether […]

Thermally Fun Holiday Images

Fellow readers,

John’s recent blog posting on “Wildlife in Infrared” has inspired me to share a few other images with you:

Upon further and closer inspection of the turkey-in-infrared image, something looks very familiar about this particular turkey.

I believe that is it a particular variety of wild turkey that is commonly found in Vermont… and […]

Wildlife in Infrared

Long ago, I once taught a course in a hotel that also housed a “disco”, which if you remember what they were, gives you an idea of how long ago it was! One evening after class, a student talked the DJ into plugging the video cable into the infrared imager we were using and suddenly […]

Reflecting on Electromagnetic Radiation

Reflections, no matter what part of the electromagnetic spectrum we are operating in, are part of life. All materials are partially reflective of some wave lengths and none are perfectly reflective.

We are all familiar with mirrors, but watch a baby or a puppy when they are first looking into a mirror and learning how to […]

Stack-Effect O’Lantern Physics Explained

Check out this diagram for a festive explanation of the stack-effect!

Hope you all had a happy Halloween!

Phantoms, Ghosts and a Few Goblins

Not unexpectedly a few goblins showed up this week in my neighborhood. Fun to see whether in the visible or the infrared part of the spectrum.

1. A pair of Jack-o-Lanterns can have fun even in the infrared spectrum.

Mr. Jack-o-Lantern is not unlike many of the electrical problems thermographers see.  Fairly cool on the exterior, but […]

Fall is in the Air (and everything else), Part Three

As I’ve written about over the past two weeks, there are a number of factors that determine what the temperature of a surface will be beside the energy inherent to it. We need to understand them so that we can make a valid analysis of what is really going on.

As an example, imagine an abnormally […]

What is Thermal Imaging?

Have you been hearing about the benefits of thermal imaging, but aren’t quite sure exactly what it is or how it can help you? In this short video, we take a step back and explain what thermal imaging actually is. We cover the basic principles of how the camera works and a few of the […]