Physics

NASA, MIT, DARPA Host Fourth Annual Student Robotic Challenge Jan. 11

NASA will join the Defense Advanced Research Projects Agency (DARPA), the Massachusetts Institute of Technology (MIT) and high school student teams from the United States and abroad for the fourth annual Zero Robotics SPHERES Challenge Friday, Jan. 11.

NASA Prepares for Launch of Next Earth Observation Satellite

NASA's Landsat Data Continuity Mission (LDCM) is scheduled to launch Feb. 11 from Vandenberg Air Force Base in California. A joint NASA and U.S. Geological Survey (USGS) mission, LDCM will add to the longest continuous data record of Earth's surface as viewed from space.

NASA'S Kepler Mission Discovers 461 New Planet Candidates

NASA's Kepler mission Monday announced the discovery of 461 new planet candidates.

NASA, MIT, DARPA Host Fourth Annual Student Robotic Challenge Jan. 11

NASA will join the Defense Advanced Research Projects Agency (DARPA), the Massachusetts Institute of Technology (MIT) and high school student teams from the United States and abroad for the fourth annual Zero Robotics SPHERES Challenge Friday, Jan. 11.

Dark energy alternatives to Einstein are running out of room

Research by University of Arizona astronomy professor Rodger Thompson finds that a popular alternative to Albert Einstein's theory for the acceleration of the expansion of the universe does not fit newly obtained data on a fundamental constant, the proton to electron mass ratio.

Dark energy alternatives to Einstein are running out of room

Astronomers have found that a popular alternative to Albert Einstein's theory for the acceleration of the expansion of the universe does not fit newly obtained data on a fundamental constant, the proton to electron mass ratio.

Optical strontium clock to become much more accurate

(Phys.org)—An optical clock with neutral strontium atoms is considered one of the top candidates for the definition of a "new" second. The probabilities have increased considerably, since its frequency will now be determined more accurately (probably by an order of magnitude). Scientists of the Physikalisch-Technische Bundesanstalt (PTB) have laid the foundation for this by measuring, for the first time, the influence of the most important uncertainty factor, namely the ambient temperature. To date, its influence could only be derived theoretically.

News from the world of quantum physics: A non-causal quantum eraser

Whether a quantum object behaves like a wave or like a particle depends (according to the Copenhagen interpretation) on the choice of measurement apparatus used for observing the system, and therefore on the type of measurement performed.

Aerospace Safety Advisory Panel Releases Annual Report

The Aerospace Safety Advisory Panel (ASAP) has released its 2012 annual report.

Kentucky Students to Speak with Space Station's Tom Marshburn

Students of all ages, educators and pre-service teachers will gather at Eastern Kentucky University to speak with International Space Station astronaut Tom Marshburn on Friday, Jan. 11. The long-distance conversation is scheduled to begin at 9:45 a.m. EST and can be seen live on NASA Television and the agency's website.

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