Physics

Texas Students to Speak Live With Space Station NASA Astronaut

NASA Expedition 35 astronaut and flight engineer Chris Cassidy aboard the International Space Station will conduct a live air-to-ground talk with students of Fredricksburg High School in Texas at 12:40 p.m. EDT (11:40 a.m. CDT) Thursday, May 2.

NASA Probe Gets Close-Up Views of Large Hurricane on Saturn

NASA's Cassini spacecraft has provided scientists the first close-up, visible-light views of a behemoth hurricane swirling around Saturn's north pole.

Herschel Completes Its 'Cool' Journey in Space

The Herschel observatory, a European space telescope for which NASA helped build instruments and process data, has stopped making observations after running out of liquid coolant as expected.

Success in observation of swelling of single-particle of silicon electrode for lithium ion batteries during charging reaction

Scientists have measured the volumetric expansion of single particles of silicon accompanying the charging reaction. This finding demonstrated the importance of electrode design from the viewpoint of volumetric energy density.

A Meteorite Curator Coaxes Secrets from Martian Rock

Carl Agee finds ways to get his hands on samples of Earth's hellish interior and the exotic surfaces of other worlds.

New atomic magnetometer doesn't need to be shielded from Earth's magnetic field

(Phys.org) —Researchers from Princeton University in the U.S. together with colleagues from Zhejiang University of Science and Technology in China have developed a new kind of atomic magnetometer that is just as sensitive as others of its kind but doesn't need to be shielded from the Earth's magnetic field. The team reports on their new device in the journal Physical Review Letters.

Movement of pyrrole molecules defy 'classical' physics

Quantum laws loom ever larger in physical world as new research finds quantum phenomena in effect on a molecular level.

Researchers at IceCube detect record energy neutrinos

(Phys.org) —Researchers at the Antarctic research station IceCube are reporting that they've detected the highest ever energy neutrinos ever observed. In their paper they've uploaded to the preprint server arXiv, the team describes how in analyzing sensor data over the period 2010 to 2012 they found evidence of two neutrino induced events that were on an order of ten times the energy of any previous event.

Researchers observe swelling of single-particle of silicon electrode for lithium ion batteries during charging reaction

Researchers from the National Institute for Materials Science and Tokyo Metropolitan University have succeeded in measuring the volumetric expansion of single particles of silicon, which is a negative electrode material for lithium (Li) ion batteries, accompanying the charging reaction, and demonstrated the importance of electrode design from the viewpoint of volumetric energy density.

NASA, Partners Solicit Creative Materials Manufacturing Solutions

NASA, the U.S. Agency for International Development (USAID), the U.S. State Department and Nike have issued a challenge to identify 10 game-changing innovations that could enable fabric systems to enhance global economic growth, drives human prosperity and replenishes the planet's resources.

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