Mostly in Georgia

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Gracie decided to give us a presentation regarding current world shipping issues. She thinks she is so smart. But she is wrong about port congestion. If we allow anyone to drive commercial trucks there will be no backup of containers moving inland. Gracie, a tip for public speaking, Never turn your back to the audience. We had "Demo Days" at work again this past week. I was busy on most of the days, but I went up to the demo site after the event was over on Friday and took a look at machines we have on site.

In the following picture you will see a very interesting phenomena. The plane is above the clouds with the sun behind. You can see a shadow of the plane, but the more significant thing is the perihelia around the shadow. It was the day for that image. I had several opportunities for pics and I took a little film as well. You can see two distinct rings in the pic. The plane has a relatively sharp edge and the diffraction caused by the plane produces a nice series of rainbows projected on the clouds, I think. Very nice.

Comments

Todd Sheehan said…
We call this a Halo in Hang Gliding. Every once in a while we'll get above the clouds (probably because we were towed there). I've seen my Halo once when I was in Florida... then we flew right through it!

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