Duke University

Light can detect pre-cancerous colon cells

After demonstrating that light accurately detected pre-cancerous cells in the lining of the esophagus, Duke University bioengineers turned their technology to the colon and have achieved similar results in a series of preliminary ...

Oct 11, 2011
5 / 5 (2) 1 | with audio podcast

Hypothetical questions can influence behavior

(PhysOrg.com) -- With the election cycle now underway, many Americans will be responding to political polls about who they support in the races for president and other offices. But can the poll questions themselves influence ...

Sep 20, 2011
5 / 5 (5) 1 | with audio podcast

Effortless sailing with fluid flow cloak

Duke engineers have already shown that they can "cloak" light and sound, making objects invisible -- now, they have demonstrated the theoretical ability to significantly increase the efficiency of ships by tricking the surrounding ...

Aug 11, 2011
4.4 / 5 (10) 19 | with audio podcast

Hybrid solar system makes rooftop hydrogen

While roofs across the world sport photovoltaic solar panels to convert sunlight into electricity, a Duke University engineer believes a novel hybrid system can wring even more useful energy out of the sun's ...

Aug 09, 2011
4.8 / 5 (17) 8 | 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

Seeing the S-curve in everything

Esses are everywhere. From economic trends, population growth, the spread of cancer, or the adoption of new technology, certain patterns inevitably seem to emerge. A new technology, for example, begins with ...

Jul 20, 2011
4.1 / 5 (8) 7 | with audio podcast

WiFi 'napping' doubles phone battery life

A Duke University graduate student has found a way to double the battery life of mobile devices – such as smartphones or laptop computers – by making changes to WiFi technology.

Jun 30, 2011
4.3 / 5 (7) 0