This visualization shows the electron density in a quantum dot, an artificial atom.
Wei Qiao, David Ebert, Marek Korkusinski, Gerhard Klimeck/NCN, Purdue University
March 28, 2012 Have we found the smallest bits of matter? Are there smaller particles we haven't identified? What are the most fundamental particles? A final, ultimate answer may not be attainable.
August 8, 2011 Heraclitus once said that life "bubbles forth" in a natural magic beyond the confines of entailing law and mathematization. We stand to be re-enchanted and may find our way beyond modernity to something very new.
August 2, 2011 Physics has known for a long time that there are real physical ceilings in the physical world. Perhaps when our imaginary worlds of economics take those real constraints seriously it will give our beleaguered politicians firmer ground to stand on.
November 29, 2010 I'm constantly frustrated by mixed nuts. To me, the peanuts are the least interesting part, so I want to eat them first. But they're always at the bottom of the can. Turns out, physics can explain: The Brazil Nut Effect.
NPR thanks our sponsors
Become an NPR sponsor