REGISTRATI Chiudi

Notizie da 5 fonti

22 apr 2014 18:00

Synopsis: Amber Does Not Act Its Age

110 Published Tue Apr 22, 2014

fisica | physics - spotlighting exceptional research

22 apr 2014 18:00

Particle physicists, nuclear physicists, and astrophysicists gathered at the 2014 APS April Meeting in Savannah, Georgia. Here’s a selection of this year’s presentations. Published Tue Apr 22, 2014

fisica | physics - spotlighting exceptional research

21 apr 2014 18:00

Viewpoint: Dark Matter May Play Role in Extinctions

An increased likelihood of life-threatening comet impacts could occur when the Sun passes through a possible dark matter disk in the Galaxy. Published Mon Apr 21, 2014

fisica | physics - spotlighting exceptional research

18 apr 2014 18:00

Focus: Voter Model Works for US Elections

A computer simulation of individual voter behavior matches statistical measures of data from 30 years of US presidential elections. Published Fri Apr 18, 2014

fisica | physics - spotlighting exceptional research

17 apr 2014 18:00

Synopsis: Measuring Entanglement Among Many Particles

Multiparticle entanglement has been difficult to characterize, but a new method provides a way to assess this with measurements of the total spin. Published Thu Apr 17, 2014

fisica | physics - spotlighting exceptional research

16 apr 2014 18:00

Viewpoint: Neutrons Knock at the Cosmic Door

The quantum behavior of a neutron bouncing in the gravitational field of the Earth can improve what we know about dark energy and dark matter. Published Wed Apr 16, 2014

fisica | physics - spotlighting exceptional research

16 apr 2014 18:00

Synopsis: The Key to Thin-Film Solar-Cell Efficiency

The combination of atomic imaging and new calculations explains the large photovoltaic efficiency of thin-film cadmium-telluride solar cells. Published Wed Apr 16, 2014

fisica | physics - spotlighting exceptional research

15 apr 2014 18:00

Synopsis: Bird Flocks Shatter on Impact

Simulations show that flocks hitting a wall disintegrate like brittle solids rather than splash like fluid drops. Published Tue Apr 15, 2014

fisica | physics - spotlighting exceptional research

14 apr 2014 18:00

Viewpoint: “Snowflake Crystal” Traps Light and Sound

Experimentalists trap optical and acoustic oscillations together in a two dimensional structure that will make it easier to study their coupled behavior. Published Mon Apr 14, 2014

fisica | physics - spotlighting exceptional research

11 apr 2014 18:00

Focus: Stopping Sound with Foam

Liquid foams can completely block ultrasound transmission of some frequencies, suggesting that foams are metamaterials that could be used for acoustic insulation. Published Fri Apr 11, 2014

fisica | physics - spotlighting exceptional research