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How Can We Tell Which Forecasts Are True?
Presidential election forecasts are historically successful and appear to be highly precise. Yet they’re often contradictory. What would it take to trust them?
Solution: ‘Time Through an LCD Display’
Insights about time’s arrow from a liquid crystal universe.
Seeing Time Through a Liquid Crystal Display
What insights can an LCD display give us about time's arrow?
Solution: ‘A Drunkard’s Walk in Manhattan’
City blocks help illustrate why walking randomly tends to take you away from your starting point.
A Drunkard’s Walk in Manhattan
Why is it that when you walk randomly, the more you walk, the farther you get from your starting point?
Solution: ‘Puzzles Inspired by Ramanujan’
What can the mathematical genius Srinivasa Ramanujan teach us about number theory through mathematical structures involving infinity?
Three Puzzles Inspired by Ramanujan
Insights from the mathematical genius Srinivasa Ramanujan give us a number of ways to explore the infinite.
Solution: ‘Is Infinity Real?’
Hilbert’s Hotel, an incredibly thin triangle and an elliptical pool table help us test the concept of infinity in the physical world.
Is Infinity Real?
Three puzzles test whether the concept of infinity has purchase in the physical world.