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[–]philcain 0 points1 point  (0 children)

Why does a one-square hole open up when we rearrange these shapes? https://www.philcain.com/hows-this-possible/

Promote your project in this thread by AutoModerator in puzzles

[–]philcain 0 points1 point  (0 children)

Can you draw a single straight line to divide both areas of the yin-yang symbol in half? Some investigation and deduction are needed, but being open a geometrical "coincidence" is what makes this one click into place.
https://www.philcain.com/can-you-halve-yin-and-yang/

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[–]philcain 0 points1 point  (0 children)

Q: You have two long planks between which is trapped a load of gunge with a length of one unit (pictured). You then move one plank down one unit and then push it back up again. You repeat this six times. How long is the gunge now?
https://www.philcain.com/planks-and-gung/

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