Wall Magic

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We awoke this morning to a view of the sun setting through a graceful swirl clouds taking place on our bedroom wall.

A perfect vision of what was going on outside, but the bedroom shutters were still closed and the room was dark except for this bright globe, the size of a breakfast egg, making its progression from wall to door frame.

The sky on the wall. Any blurriness is the fault of the phone camera, as the image on the wall was sharp and crisp.
Photo: PKR

A round-ish chink in the stone window frame was the culprit, of course. It forms a pinhole lens between the frame and the shutter, and when the light hits it from the right angle, as it did this morning, we get an inverse view of the horizon cast against our wall like a dream vision.

The natural camera obscura phenomenon has been known and discussed for millennia and there’s some good evidence that we owe some of the world’s finest paintings to it. A good article on the effect here, and on Vermeer’s likely use of it here.

We’ve just repaired and repainted all the wooden shutters, and filled in some of the cracks in the stone window casements. In such an old stone house, there are always bits and corners to be mended. However, a flaw that invites the upside down sky to visit is one we will continue to embrace.

Here’s a short video of what it looked like as the clouds moved across the miniature sun.

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