Camera Field of View - Zoom Index Proposal
How to make loops in the Tantrix puzzle
Ellipses as circles in perspective
Half-size images best for display?
Depth of Field
Geotagging with a Fundamental Matrix
Lunar Terminator Illusion
Sharing a Taxi
Apparent Depth of Objects in Water
Inverses of some SHA-256 functions
Distinct circular bit patterns in a 32-bit word
Near Cycles of the Collatz function
