The science that stumped Einstein
Tuesday, July 1, 2014 - 06:30
in Physics & Chemistry
In 1908, the physics world woke up to a puzzle whose layers have continued to stump the greatest scientists of the century ever since. That year, Dutch physicist Kamerlingh Onnes cooled mercury down to -450° Fahrenheit and discovered—to his astonishment—that it could conduct electricity perfectly. And then for the next 50 years, no one could explain why.