Figuring It Out

Everyday Matters. -- The dinner table algorithm -- Cutting the Christmas cake -- Oranges and computers -- When two and two don't make four -- Getting more intelligent every day -- The other lane always goes faster -- Shoelaces and neckties -- Number puzzles -- Tossing a coin -- The switch -- Eubulides, the heap and the Euro -- The Earth is Round. -- How GPS works -- Gear wheels -- February 29 -- The Nonius scale -- Pedro Nunes' map -- Lighthouse geometry -- Asteroids and least squares -- The useful man and the genius -- Secret Affairs. -- Alice and Bob -- Inviolate cybersecrets -- Quantum cryptography -- The FBI wavelet -- The enigma machine -- Art and Geometry. -- The Vitruvian man -- The golden number -- The geometry of A4 paper sizes -- The strange worlds of Escher -- Escher and the M??bius strip -- Picasso, Einstein and the fourth dimension -- Pollock's fractals -- Voronoi diagrams -- The Platonic solids -- Pythagorean mosquitoes -- The most beautiful of all -- Mathematical Objects. -- The power of math -- Doubts in the realm of certainty -- When chance enhances reliability -- The difficulty of chance -- Conjectures and proofs -- Mr. Benford -- Financial fractals -- Turing's test -- DNA computers -- Magical multiplication -- Pi day -- The best job in the world -- Out of This World. -- Electoral paradoxes -- The melon paradox -- The cupcake paradox -- Infinity -- Unfair games -- Monsieur Bertrand -- Boy or girl? -- A puzzle for Christmas -- Crisis time for Easter eggs.