When salt and ice are added to an empty aluminum can and mixed together, the can becomes very cold, and frost begins to form on the outside of it very quickly. As water freezes, the attractions the ...

To find out more about what's happening with the competition and get involved in voting for the winning entry, please follow the link on the right. Why does hot water freeze faster than cold water? It ...

Does hot water freeze faster than cold water? On its face this idea seems like it should be ridiculously simple to test, and even easier to intuit, but this question has in fact had physicists ...