Physics

The state of the early universe: The beginning was fluid

Scientists from the Niels Bohr Institute, University of Copenhagen, and their colleagues from the international ALICE collaboration recently collided xenon nuclei in the superconducting Large Hadron Collider in order to gain new insights into the properties of the quark-gluon plasma (QGP). The QGP is a special state consisting of quarks and the gluons that bind the quarks together. The results were published in Physics Letters B.

Want to be a Mars Astronaut? You'll Need the Proper Mindset

NASA is studying what personality an astronaut candidate needs to make the journey to Mars.

NASA Television to Air Live Interviews with Astronaut Nick Hague

NASA astronaut Nick Hague, who has returned home to Houston this weekend after his launch to the International Space Station was aborted, will be interviewed by media about his experience at 11 a.m. EDT Tuesday, Oct. 16.

High entropy alloys hold the key to studying dislocation avalanches in metals

For decades researchers have studied materials from structures to see why and how they fail. Before catastrophic failure, there are individual cracks or dislocations that form, which are signals that a structure may be weakening. While researchers have studied individual dislocations in the past, a team has now made it possible to understand how dislocations organize and react at nanoscale.

Hawking's final book offers brief answers to big questions

Stephen Hawking's final work, which tackles issues from the existence of God to the potential for time travel, was launched on Monday by his children, who helped complete the book after the British astrophysics giant's death.

Researchers announce the discovery of an atomic electronic simulator

Targeting applications like neural networks for machine learning, a new discovery out of the University of Alberta and Quantum Silicon Inc. in Edmonton, Canada is paving the way for atomic ultra-efficient electronics, the need for which is increasingly critical in our data-driven society. The key to unlocking untold potential for the greenest electronics? Creating bespoke atomic patterns to in turn control electrons.

New model helps define optimal temperature and pressure to forge nanoscale diamonds

To forge nanodiamonds, which have potential applications in medicine, optoelectronics and quantum computing, researchers expose organic explosive molecules to powerful detonations in a controlled environment. These explosive forces, however, make it difficult to study the nanodiamond formation process. To overcome this hurdle, researchers recently developed a procedure and a computer model that can simulate the highly variable conditions of explosions on phenomenally short time scales.

The state of the early universe: The beginning was fluid

Scientists recently collided Xenon nuclei, in order to gain new insights into the properties of the Quark-Gluon Plasma (the QGP). The QGP is a special state consisting of the fundamental particles, the quarks, and the particles that bind the quarks together, the gluons. The result was obtained using the ALICE experiment at the superconducting Large Hadron Collider.

Study exposes security vulnerabilities in terahertz data links

A new study shows that terahertz data links, which may play a role in ultra-high-speed wireless data networks of the future, aren't as immune to eavesdropping as many researchers have assumed. The research, published in the journal Nature, shows that it is possible for a clever eavesdropper to intercept a signal from a terahertz transmitter without the intrusion being detected at the receiver.

Arsenic for electronics

The discovery of graphene, a material made of one or very few atomic layers of carbon, started a boom. Today, such two-dimensional materials are no longer limited to carbon and are hot prospects for many applications, especially in microelectronics. Scientists have now introduced a new 2D material: they successfully modified arsenene (arsenic in a graphene-like structure) with chloromethylene groups.

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