Physics

Electron caught in the act

Australia's fastest camera has revealed the time it takes for molecules to break apart.

Researchers developing a new balance for the new kilogram

Technische Universität Ilmenau and the Physikalisch-Technische Bundesanstalt (the National Metrology Institute of Germany) are developing a balance which is required for measuring the redefined kilogram that will be introduced in 2018. Called the Planck balance, this highly precise electronic weighing balance is not based on weights, but refers to the fundamental physical constant called Planck's constant. The balance will be used worldwide for calibrating other scales or balances so that they correspond to the system with this new method.

Tiny bubbles provide tremendous propulsion in new microparticles research

An innovative technique using light and tiny bubbles to propel microparticles at forces many times greater than previously achieved has been developed by Ben-Gurion University of the Negev researchers.

NASA Awards Joint Operations, Integrated Systems Technology Contracts

NASA has awarded contracts to five companies for development, sustainment, and maintenance of information technology software, systems and support for the Flight Operations Directorate at NASA’s Johnson Space Center in Houston.

Media Invited to Learn about NASA’s Project to Streamline Air Travel

Media are invited to watch a virtual presentation and briefing on NASA’s Airspace Technology Demonstration 2 (ATD-2) Integrated Arrival / Departure / Surface Metroplex Traffic Management System at 11:30 a.m. EDT on Thursday, June 22.

To connect biology with electronics, be rigid, yet flexible

Scientists have measured a thin film made of a single type of conjugated polymer — a conducting plastic — as it interacted with ions and electrons. They show how there are rigid and non-rigid regions of the film, and that these regions could accommodate electrons or ions — but not both equally.

Sound waves direct particles to self-assemble, self-heal

Scientists have demonstrated how floating particles will assemble and synchronize in response to acoustic waves. Their simple experiment provides a new framework for studying how seemingly lifelike behaviors emerge in response to external forces. The work could help address fundamental questions about energy dissipation and non-equilibrium thermodynamics.

NASA Releases Kepler Survey Catalog with Hundreds of New Planet Candidates

NASA’s Kepler space telescope team has released a mission catalog of planet candidates that introduces 219 new planet candidates, 10 of which are near-Earth size and orbiting in their star's habitable zone, which is the range of distance from a star where liquid water could pool on the surface of a rocky planet.

Sound waves direct particles to self-assemble, self-heal

An elegantly simple experiment with floating particles self-assembling in response to sound waves has provided a new framework for studying how seemingly lifelike behaviors emerge in response to external forces.

First atomic structure of an intact virus deciphered with an X-ray laser

An international team of scientists has for the first time used an X-ray free-electron laser to unravel the structure of an intact virus particle on the atomic level. The method used dramatically reduces the amount of virus material required, while also allowing the investigations to be carried out several times faster than before. This opens up entirely new research opportunities, as the research team lead by DESY scientist Alke Meents reports in the journal Nature Methods.

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