Haidinger's brush may also be seen by looking at a white area on many LCD flat panel computer screens (due to the polarization effect of the display), in which case it is often diagonal.
funny I can see this looking right under the very paragraph above against the #FFFFFF background of the wikipedia page
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[ 3.3 ms ] story [ 15.5 ms ] threadfunny I can see this looking right under the very paragraph above against the #FFFFFF background of the wikipedia page