News tagged with polymer

Laser as sniffer dog for explosives

A new compact sensor system based on an LED pumped polymer laser detects explosive vapors quickly and sensitively. This is a promising approach for the detection of hazards, for instance in humanitarian land ...

Nov 08, 2013
5 / 5 (2) 0

Drawing and writing in liquid with light (w/ Video)

University of Helsinki researchers have manufactured photochemically active polymers which can be dissolved in water or certain alcohols. The new soluble, photosensitive polymer was created by doctoral student ...

Nov 04, 2013
5 / 5 (2) 0 | with audio podcast

Low-priced plastic photovoltaics

Photovoltaic devices, which tap the power of the sun and convert it to electricity, offer a green—and potentially unlimited—alternative to fossil fuel use. So why haven't solar technologies been more ...

Oct 22, 2013
4.5 / 5 (11) 2 | with audio podcast

Turning vapors into foam-like polymer coatings

the essential component of plastics—are found in countless commercial, medical, and industrial products. Polymers that are porous are called foam polymers and are especially useful because they combine ...

Oct 11, 2013
4.1 / 5 (7) 1 | with audio podcast

Water-shedding surfaces can be made to last

Steam condensation is key to the worldwide production of electricity and clean water: It is part of the power cycle that drives 85 percent of all electricity-generating plants and about half of all desalination ...

Sep 20, 2013
5 / 5 (37) 6 | with audio podcast