More from Chalkdust
Significant figures: Gladys West
Madeleine Hall looks at one of the minds behind GPSIn conversation with Clifford Cocks
We chat to the crypto chief about inventing RSA... but not being able to tell anyonePrize crossnumber, Issue 08
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumberDavid Blackwell and me
Clive Fraser reflects on his interactions with one of the greatest ever Black mathematiciansPage 3 model: Traffic flow
Ever been stuck in motorway traffic which seems to have no reason? A model for traffic flow explains why.Reinventing 2D
What a difference a matrix makes