Physics

SpaceX and NASA Host Teleconference Today on SpaceX 2 Mission to Space Station

SpaceX and NASA will hold a media teleconference at 3 p.m. EST today to discuss the latest information about the company's second cargo mission to the International Space Station under NASA's Commercial Resupply Services contract.

Space race underway to create quantum satellite

A new article describes how a quantum space race is under way to create the world's first global quantum-communication network.

Can Dennis Tito Really Get to Mars for $1 Billion?

Dennis Tito's bombshell announcement that he wants to fly two passengers to Mars--with the mission taking off in less than five years, on January 5, 2018--provoked a lot of intense reactions. Many people were astonished. Many were inspired. Many were deeply skeptical. I was on Fox News yesterday talking with Shepard Smith (the clip is not posted, unfortunately), who dismissed the idea as "hogwash"; many NASA insiders are more quietly expressing similar levels of skepticism about Tito's plans.

Brookhaven Lab's National Synchrotron Light Source II achieves LEED Gold Certification

The National Synchrotron Light Source II (NSLS-II) at the U.S. Department of Energy's Brookhaven National Laboratory has been awarded a LEED gold rating by the U.S. Green Building Council. NSLS-II is Brookhaven's newest building, and its half-mile ring building received the internationally recognized certification in recognition of its "green" design. 

Fusion as an energy source? Physicists demonstrate the acceleration of electrons by a laser in a vacuum

The acceleration of a free electron by a laser is a long-time goal of solid-state physicists. Physicists have established that an electron beam can be accelerated by a laser in free space. This has never been done before at high energies and represents a significant breakthrough, and may have implications for fusion as a new energy source.

Neutron scattering technique provides new data on adsorption of ions in microporous materials

(Phys.org)—The adsorption of ions in microporous materials governs the operation of technologies as diverse as water desalination, energy storage, sensing and mechanical actuation. Until now, however, researchers attempting to improve the performance of these technologies haven't been able to directly and unambiguously identify how factors such as pore size, pore surface chemistry and electrolyte properties affect the concentration of ions in these materials as a function of the applied potential.

Could the Higgs mass determine the end of the universe?

You may have heard in the recent media that the world was going to end. Uh, again. Worse still, the devastation wasn't limited to Earth; the whole universe might end. Bad news, right? And you thought 2012 was the year to mark on your calendar.

Is nanosilver toxic?

According to new research with data obtained on two crustacean species, there is apparently no reason to consider silver nanoparticles more dangerous for aquatic ecosystems than silver ions.

Atoms with quantum-memory

Order tends towards disorder. This is also true for quantum states. Measurements show that in quantum mechanics this transition can be quite different from what we experience in our daily lives.

March Sky: Fertile Crescent Moon

The crescent moon offers more than bedtime story symbolism.

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