
Right here’s a mind-blowing geography truth: The northernmost a part of Brazil is nearer to Canada than it’s to the southernmost a part of Brazil. Details like this partly communicate to really uncommon geographical options of Earth (like Brazil’s huge land space) but additionally to how warped our notion may be of our own residence. We’ve grown so accustomed to seeing 2D rectangular maps in lecture rooms, on Threat boards, and on Sporcle quizzes, that we typically neglect how disfigured they’re. We stay on a globe, and geometry assures us that there isn’t any method to iron out the floor of a sphere right into a flat form with out distorting sizes and distances. The result’s a populace with geographical instincts that don’t match the information on the bottom.
In his fantastic e-book Mathematical Puzzles: A Connoisseur’s Assortment, Professor Peter Winkler devotes an entire chapter to geography puzzles. He notes, “this chapter doesn’t belong within the e-book… they’re right here as a result of mathematical puzzle lovers appear to get pleasure from them.” As a mathematical puzzle lover who can barely inform Djibouti from Uranus, I concede that Winkler received me over right here. His geographical puzzles are world class.
I’ve posed three of them under. Attempt to remedy them by intuition and reminiscence earlier than consulting a globe.
Did you miss final week’s puzzle? Test it out here, and discover its resolution on the backside of in the present day’s article. Watch out to not learn too far forward in case you haven’t solved final week’s but!
Puzzle #21: Unimaginable Geography
- Which U.S. state is closest to Africa?
- If you happen to fly due south from Key West, Florida, which South American nation will you hit first?
- I’m in an East Coast U.S. state and I name my good friend who’s in a West Coast U.S. state. It’s precisely the identical time of day for each of us. How is that this potential?
The third query requires some specialised information past primary geography, but it surely’s such a cool indisputable fact that I needed to embody it. It’s not a trick query. Attempt to guess the define of the answer even with out the concrete information to flesh it out. What forms of issues would have to be true for such a cellphone name to happen?
We’ll be again Monday with the solutions and a brand new puzzle. Are you aware a cool puzzle that you just assume needs to be featured right here? Message me on Twitter @JackPMurtagh or electronic mail me at gizmodopuzzle@gmail.com
Resolution to Puzzle #20: The Simpsons M
Final week’s puzzle got here from a cartoon, but it was something however youngster’s play. Within the episode, Bart finally ends up visualizing the reply within the zig-zag of Homer’s thinning hair.

Enlarged under for readability:

Powerful to identify! Shout-out to yaksplat for submitting the primary appropriate diagram. Reward your self with a doughnut. You undoubtedly don’t have Homer’s pea-brain.
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