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insights puzzle

Solution: ‘Which Forecasts Are True?’

Aside from potential clues gleaned from a fluke result, it would take hundreds of U.S. presidential elections to definitely conclude that one election forecasting model is superior to another.

insights puzzle

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?

insights puzzle

Solution: ‘A Drunkard’s Walk in Manhattan’

City blocks help illustrate why walking randomly tends to take you away from your starting point.

insights puzzle

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?

insights puzzle

Solution: ‘Puzzles Inspired by Ramanujan’

What can the mathematical genius Srinivasa Ramanujan teach us about number theory through mathematical structures involving infinity?

insights puzzle

Three Puzzles Inspired by Ramanujan

Insights from the mathematical genius Srinivasa Ramanujan give us a number of ways to explore the infinite.

insights puzzle

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.

insights puzzle

Is Infinity Real?

Three puzzles test whether the concept of infinity has purchase in the physical world.

Olena Shmahalo/Quanta Magazine
insights puzzle

Solution: ‘A Random Place at the Table’

Try these shortcuts for solving problems that seem to require a lengthy calculation.