Magic Squares of Squares (are PROBABLY impossible) – Numberphile

From Numberphile.

Tony Várilly-Alvarado uses surprising mathematics to show that a 3×3 Magic Square of Squares is highly unlikely. See Matt Parker react to this video at: — More links & stuff in full description below ↓↓↓

Tony’s webpage at Rice University:

Paper by Nils Bruin, Jordan Thomas, Anthony Várilly-Alvarado:

Christian Boyer, "Some notes on the magic squares of squares problem":

The Parker Square:
Finite Fields & Return of The Parker Square:
A Special Magic Square:
Magic Square Party Trick:

Parker Square Tee:

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