It was interesting listening to the speech by Seth Riskin. I liked how he talked about holography, a technique that allows the light scattered from an object to be recorded and later reconstructed so that it appears as if the object is in the same position relative to the recording medium as it was when recorded. The image changes as the position and orientation of the viewing system changes in exactly the same way as if the object were still present, thus making the recorded image (hologram) appear three dimensional. I liked the showcases he had in the gallery and how the color of light was changing in different perspectives I would look at it.
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