onsdag 9 februari 2011

How to freeze water under vacuum

According to G&T:

1.2. What is a physical effect?

A physical effect consists of three things:

(a) a reproducible experiment in the lab;
(b) an interesting or surprising outcome;
(c) an explanation in terms of a physical theory.

In the video above we see (a) and (b), but what is the explanation?

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