Featuring Dr James Grime. More links & stuff in full description below ↓↓↓ Extra footage from this interview: Blog post about the . Extra footage from our Squared Squares video: More links & stuff in full description below ↓↓↓ Check out . Matt Parker reveals his pride and joy - the mysterious Parker Square! More links & stuff in full description below ↓↓↓ T-Shirt: . Matt Parker shows off his Magic Square party trick (unlike magicians, mathematicians often reveal their secrets). More links & stuff in full description below .
