- Ice, ice baby July 3
The answer is differential expansion, as Martyn Poliakoff explains below. The outside of the ice cube is warmed by the drink and expands, but the inside remains cold. The stresses thus introduced cracks the cube.
Interestingly, you can make this happen the opposite way, as well. Drop some ice into liquid nitrogen, and the outside is cooled and shrinks, while the inside stays warm, leading to a similar fracture effect.
Check out the full explanation in the video below. --Ryan Cooper
THE WEEK'S AUDIOPHILE PODCASTS: LISTEN SMARTER
- China's leader is telling the People's Liberation Army to prepare for war
- How I lost all my money
- How to save money: 12 great personal finance tips
- Why Pakistan won't hunt down the terrorists within its borders
- The best books we read in 2014
- The religious right isn't retreating — it's reforming
- How to be the most productive person in your office — and still get home by 5:30 p.m.
- How academia's liberal bias is killing social science
- Diagnosing the Home Alone burglars' injuries: A professional weighs in
- How to wrap a present with mathematical precision (and waste less paper)
Subscribe to the Week