What's up in

insights puzzle

A simple analogue could offer insights into one of the most astonishing results of quantum mechanics.
insights puzzle

Solution: ‘Taming Quantum Weirdness’

A simple analogue could offer insights into one of the most astonishing results of quantum mechanics.

Can balloon animals help blunt uneasy feelings about “spooky action at a distance”?
insights puzzle

How to Tame Quantum Weirdness

Can balloon animals help blunt uneasy feelings about “spooky action at a distance”?

When do negative results from a half-life experiment mean a theory is dead?
insights puzzle

Solution: ‘How Many Half-Lives?’

When do negative results from a half-life experiment mean a theory is dead?

Gaining an intuition about half-life requires some unintuitive thinking.
insights puzzle

How Many Half-Lives Do You Have?

Gaining an intuition about half-life requires some unintuitive thinking.

A simple and elegant way to stack identical flat objects so that they project over an edge as far as possible.
insights puzzle

Solution: ‘Hanging Far Out Over the Edge’

A simple and elegant way to stack identical flat objects so that they project over an edge as far as possible.

What formula describes the farthest you can stack flat blocks over the edge of a table to form a seemingly gravity-defying half-bridge to nowhere?
insights puzzle

How to Hang Far Out Over the Edge

What formula describes the farthest you can stack flat blocks over the edge of a table to form a seemingly gravity-defying half-bridge to nowhere?

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

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.

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

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 about time’s arrow from a liquid crystal universe.
insights puzzle

Solution: ‘Time Through an LCD Display’

Insights about time’s arrow from a liquid crystal universe.