Physics

And so they beat on, flagella against the cantilever

A team of researchers at Boston University and Stanford University School of Medicine has developed a new model to study the motion patterns of bacteria in real time and to determine how these motions relate to communication within a bacterial colony.

First water-based nuclear battery can be used to generate electrical energy

For the first time using a water-based solution, researchers have created a long-lasting and more efficient nuclear battery that could be used for many applications such as a reliable energy source in automobiles and also in complicated applications such as space flight.

Tandem microwave destroys hazmat, disinfects

Dangerous materials can be destroyed, bacteria spores can be disinfected, and information can be collected that reveals the country of origin of radiological isotopes - all of this due to a commercial microwave modified by DOE's Savannah River National Laboratory (SRNL). SRNL and Hadron Technologies have joined together to create a tandem-microwave that is part of the next level in advanced law enforcement and health safety technology.

For electronics beyond silicon, a new contender emerges

Using a quantum material called a correlated oxide, researchers have achieved a reversible change in electrical resistance of eight orders of magnitude, a result the researchers are calling 'colossal.' In short, they have engineered this material to perform comparably with the best silicon switches.

NASA Chooses American Companies to Transport U.S. Astronauts to International Space Station

U.S. astronauts once again will travel to and from the International Space Station from the United States on American spacecraft under groundbreaking contracts NASA announced Tuesday. The agency unveiled its selection of Boeing and SpaceX to transport U.S. crews to and from the space station using their CST-100 and Crew Dragon spacecraft, respectively, with a goal of ending the nation’s sole reliance on Russia in 2017.

NASA’s Chandra X-ray Observatory Finds Planet That Makes Star Act Deceptively Old

A planet may be causing the star it orbits to act much older than it actually is, according to new data from NASA’s Chandra X-ray Observatory. This discovery shows how a massive planet can affect the behavior of its parent star.

NASA Airborne Campaigns Focus on Climate Impacts in the Arctic

Over the past few decades, average global temperatures have been on the rise, and this warming is happening two to three times faster in the Arctic. As the region’s summer comes to a close, NASA is hard at work studying how rising temperatures are affecting the Arctic.

NASA to Make Major Announcement Today About Astronaut Transport to the International Space Station

NASA will make a major announcement today at 4 p.m. EDT regarding the return of human spaceflight launches to the United States. The agency will make the announcement during a news conference from NASA’s Kennedy Space Center in Florida. The event will be broadcast live on NASA Television and the agency's website.

Making quantum dots glow brighter

Researchers have found a new way to control the properties of quantum dots, those tiny chunks of semiconductor material that glow different colors depending on their size. Quantum dots, which are so small they start to exhibit atom-like quantum properties, have a wide range of potential applications, from sensors, light-emitting diodes, and solar cells, to fluorescent tags for biomedical imaging and qubits in quantum computing.

Cornell theorists continue the search for supersymmetry

(Phys.org) —It was a breakthrough with profound implications for the world as we know it: the Higgs boson, the elementary particle that gives all other particles their mass, discovered at the Large Hadron Collider in 2012.

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