Figure 1: An example of the phase moiré effect between two transparent phase gratings. Figure 2: Dependence of the moiré pattern on the inter-grating spacing in the set-up shown in Fig. 1. The ...

'moire ', a pattern that should not exist in the photos taken, scanned images, and illustrations uploaded to SNS. Martin Wihary, who works as a designer and writer, explains the causes of this moiré ...