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Cryptic Crosswords
Challenges
About
Aug
31
Aug 31
Benjamin Franklin's Magic Square
Alaric Stephen
Mathematics
Aug
30
Aug 30
What is a Second Cousin Once Removed?
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Science
,
Mathematics
Aug
29
Aug 29
Normal Numbers
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Mathematics
Aug
28
Aug 28
Odd Dates From History
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Time and Dates
,
History
Aug
27
Aug 27
Tetris Rectangle
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Mathematics
Aug
26
Aug 26
The Turk
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History
,
Chess
,
Magic
,
Mechanics
Aug
25
Aug 25
Naming the Days of the Week
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History
,
Time and Dates
Aug
24
Aug 24
Newcomb's Paradox
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Mathematics
,
Paradoxes
Aug
23
Aug 23
M&M Computer
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Game Theory
,
Mathematics
,
Computing
Aug
22
Aug 22
The Sins of Isaac Newton
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Oddities
,
History
,
Humorous
Aug
22
Aug 22
1D Chess
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Chess
,
Game Theory
Aug
21
Aug 21
13 Months in a Year
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Mathematics
,
Time and Dates
Aug
20
Aug 20
Noughts and Crosses: a Defence of Unusual Openings
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Game Theory
Aug
19
Aug 19
Buckminster Fuller
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History
,
Science
Aug
18
Aug 18
AI in a Box Experiment
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Science
,
Futurology
Aug
17
Aug 17
Snail on an Elastic Band
Alaric Stephen
Mathematics
Aug
16
Aug 16
The Evolution of Eastern Chess
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Chess
,
History
Aug
15
Aug 15
The Way You Play Monopoly is Wrong
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Board Games
Aug
15
Aug 15
Euler's Gem Applied to Geodesic Domes
Alaric Stephen
Mathematics
Aug
14
Aug 14
Non-transitive Dice
Alaric Stephen
Mathematics
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