Duke University

Reinventing the wheel -- naturally

Humans did not invent the wheel. Nature did. While the evolution from the Neolithic solid stone wheel with a single hole for an axle to the sleek wheels of today's racing bikes can be seen as the result of ...

Jun 14, 2010 3.6 / 5 (8) 2 | with audio podcast

Manipulating light at will

Electrical engineers at Duke University have developed a material that allows them to manipulate light in much the same way that electronics manipulate flowing electrons.

Aug 01, 2011 4.8 / 5 (6) 1 | with audio podcast

Retooling the ocean conveyor belt

For decades, oceanographers have embraced the idea that Earth's ocean currents operate like a giant conveyor belt, overturning to continuously transport deep, cold polar waters toward the equator and warm equatorial surface ...

Jun 18, 2010 4.7 / 5 (6) 4 | with audio podcast