This Video Is 2D And 3D Simultaneously: the Pulfrich Effect


Hold on tight, because with a stabilised camera shot and a pair of sunglasses, you’re about to see a video that works in both 2D and 3D at the same time. The technique’s called the Pulfrich Effect, and this is how it works.

The BBC’s terrible 90s Doctor Who special, Dimensions in Time, can be seen here, complete with its Noel Edmonds-filled framing:

Camera and sound: Matt Gray /

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