Andrew Gatt:
Escher show extras
Andrew Gatt:
Optical illusion
Andrew Gatt:
M.C. Escher exhbiti
Andrew Gatt:
Three ads like this in the playbill for "The Book of Mormon"
Andrew Gatt:
That can't be comfortable
Andrew Gatt:
An experiment with density of liquids
Andrew Gatt:
Dr. Who Tardis designed by a student
Andrew Gatt:
3-D pencil holder designed by my student
Andrew Gatt:
It's not what you think!
Andrew Gatt:
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