Archive: 09/10/2010

Playing snooker with atoms

Scientists speak of sputtering when energy-rich ions hit a solid object and cause atoms to be released from its surface. The phenomenon can be exploited to apply microscopically thin coatings to glass surfaces. ...

Sep 10, 2010 5 / 5 (1) 0

Making massive stars

Massive stars -- those with more than about eight times the mass of the sun -- are arguably the most important actors in the universe. Much hotter and more luminous than the sun, they live only hundreds of ...

Sep 10, 2010 4.7 / 5 (6) 4 | with audio podcast

Many roads lead to superconductivity

Since their discovery in 2008, a new class of superconductors has precipitated a flood of research the world over. Unlike the previously familiar copper ceramics (cuprates), the basic structure of this new class consists ...

Sep 10, 2010 4.2 / 5 (22) 6 | with audio podcast