Mo(i)re for your money

I am fascinated by moire effects - whether they're unintended optical effects created by parallel grids or meshes, or beautifully considered like this piece in the Virgin book-in area at Heathrow airport. I love the way it moves as you walk past - turning like a propellor, and changing direction depending on your view-point.  



I had a great write up by Bill Hamilton in the Wall Street Journal last weekend -



 it made me feel very grand!
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Eleanor Pritchard Studio