Physics

NASA's Grail Mission Solves Mystery of Moon's Surface Gravity

NASA's Gravity Recovery and Interior Laboratory (GRAIL) mission has uncovered the origin of massive invisible regions that make the moon's gravity uneven, a phenomenon that affects the operations of lunar-orbiting spacecraft.

Radiation Measured by NASA's Curiosity on Voyage to Mars has Implications for Future Human Missions

Measurements taken by NASA's Mars Science Laboratory (MSL) mission as it delivered the Curiosity rover to Mars in 2012 are providing NASA the information it needs to design systems to protect human explorers from radiation exposure on deep-space expeditions in the future.

Landsat 8 Satellite Begins Watch

NASA transferred operational control Thursday of the Landsat 8 satellite to the U.S. Geological Survey (USGS) in a ceremony in Sioux Falls, S.D.

Actor Jaden Smith Focuses on Earth Science in a New NASA PSA

Jaden Smith, star of Columbia Pictures' movie "After Earth," is featured in a new NASA public service announcement that describes the contributions of the agency's Earth science program to environmental awareness and exploration of our home planet.

Actor Jaden Smith Focuses on Earth Science in a New NASA PSA

Jaden Smith, star of Columbia Pictures' movie "After Earth," is featured in a new NASA public service announcement that describes the contributions of the agency's Earth science program to environmental awareness and exploration of our home planet.

More precision from less predictability: A new quantum trade-off

Researchers in Australia have demonstrated that, contrary to what the Heisenberg uncertainty relation may suggest, particle properties such as position and momentum can be measured simultaneously with high precision. But it comes at a cost.

Higgs Boson scientists win top Spanish prize

A British physicist and his Belgian colleague who all but identified the mysterious "God particle" that holds the universe together won a prestigious Spanish science prize on Wednesday.

Discovery by physicists furthers understanding of superconductivity: Experiments show Zhang-Rice singlet state in different class of materials

Physicists have discovered that a crucial ingredient of high-temperature superconductivity could be found in an entirely different class of materials.

Coupled particles cross energy wall

For the first time, a new kind of so-called Klein tunnelling-representing the quantum equivalent of crossing an energy wall- has been presented in a model of two interacting particles. This work by Stefano Longhi and Giuseppe Della Valle from the Institute of Photonics and Nanotechnology in Milan, Italy, is about to be published in EPJ B.

Klein tunneling: Coupled particles cross energy wall

A new model demonstrates that it is possible for two particles to cross an energy barrier together, where a single particle could not. For the first time, a new kind of so-called Klein tunneling -- representing the quantum equivalent of crossing an energy wall -- has been presented in a model of two interacting particles.

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