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Exploring the limits for high-performance LEDs and solar cells

Washington, D.C., Dec. 2, 2015 – Hybrid optoelectronic devices based on blends of hard and soft semiconductors can combine the properties of the two material types, opening […]

Climate Macroscope: New Software for Finding Tipping Points and Critical Network Structures

WASHINGTON, D.C., November 17, 2015 – If you wanted to know whether shifts in the African climate during Paleolithic times correlated with the appearance and disappearance of […]

Ultra-thin, tunable, broadband microwave absorber may advance radar cloaking

Washington, D.C., Nov. 10, 2015 – Microwave absorbers are a kind of material that can effectively absorb incident microwave energy to make objects invisible to radar; therefore […]

New Derivation of Pi Links Quantum Physics and Pure Math

WASHINGTON, D.C., November 10, 2015 – In 1655 the English mathematician John Wallis published a book in which he derived a formula for pi as the product […]

Forming glass shapes: Lowering the ‘softening temperature’ via electric field

Washington, D.C., Nov. 3, 2015 – On a serendipitous occasion, while attending a conference and listening to Rishi Raj, a professor of mechanical engineering at the University […]

Wall-less Hall thruster may power future deep space missions

Washington, D.C., Oct.27, 2015 – Hall thrusters are advanced electric rocket engines primarily used for station-keeping and attitude control of geosynchronous communication satellites and space probes. Recently, […]

Canadian Researchers Find Geothermal Heat Pumps Most Feasible in Halifax

WASHINGTON, D.C., October 23 — Researchers at the Université du Québec have recently conducted a survey of four Canadian cities to determine the economic feasibility of installing […]

Coating Cancels Acoustic Scattering from Odd-Shaped Objects

Washington, D.C., Oct. 27, 2015 — In a new twist, a team of researchers from the U.S. Naval Research Laboratory and the University of Texas at Austin […]

Physics of Booming and Burping Sand Dunes Revealed

Washington, D.C., Oct. 27, 2015 — Avalanching sand from dune faces in Death Valley National Park and the Mojave Desert can trigger loud, rumbling “booming” or short […]