Quantum computers take a step into real materials science
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Ponder This Challenge - December 2002 - 4 integers with squares sums
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - November 2002 - 4 bottles on a square turntable
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - October 2002 - Tournament of N with <=M players
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Ponder This Challenge - September 2002 - Closed subsets of boolean operators
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Ponder This Challenge - August 2002 - Drawing 4D hypercube on a grid
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - July 2002 - 23 prisoners and a switch room
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - June 2002 - Coin weighing using scale
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Ponder This Challenge - May 2002 - Circle passing via 7 lattice points
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Ponder This Challenge - April 2002 - Lifetime of adjacent differences
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Ponder This Challenge - March 2002 - Coffe or tea majority club
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - February 2002 - Undirected graph of diameter 2
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Ponder This Challenge - January 2002 - Gambling casino
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - December 2001 - Knight's tour on 4xN chess boards
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - November 2001 - PB&J asymmetry bounds
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Ponder This Challenge - October 2001 - f maps any open interval onto R
PuzzleGadi Aleksandrowicz- Ponder This
Ponder This Challenge - September 2001 - Bounds on a permutation group
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