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Physics Week in Review: December 16, 2017

Among this week's physics highlights: the discovery of a new material called excitonium, we've found another star system with eight planets, and why you really don't want to suffer death by light saber. First up, however, is an issue facing...

Images of 2017 in physics

From non-Newtonian frog saliva to magnetic mountains: a visual review of the world of physics

Luminescent paint makes LiFi networks more secure

Phosphorescent surfaces could even transmit after light source switched off

Work Ethic Is a Key to Success for Science Majors

After earning a 4.0 GPA in his first semester as a Physics major at an esteemed state university, our son (and homeschool grad) attributes his success to: 45% work ethic, 30% homeschool subject mastery, 25% reasonable course load. I was surprised he gave such greater weight to the work ethic we imparted rather than actual […]

Single-photon detector can count to four

Engineers have shown that a widely used method of detecting single photons can also count the presence of at least four photons at a time. The researchers say this discovery will unlock new capabilities in physics labs working in quantum information science around the world, while providing easier paths to developing quantum-based technologies.

Focus: Video—Nuclear Fusion in Hi-Def

Author(s): Matteo Rini A new model provides a detailed visualization of the clustering of protons and neutrons within the excited nuclear compound formed just after two nuclei collide and fuse. [Physics 10, 136] Published Fri Dec 15, 2017

Error-free into the quantum computer age

A study led by physicists at Swansea University in Wales, carried out by an international team of researchers and published in the journal Physical Review X shows that ion-trap technologies available today are suitable for building large-scale quantum computers. The scientists introduce trapped-ion quantum error correction protocols that detect and correct processing errors.

Accelerating News Issue 23 published

yesterdayAcademics / Physics : CERN

Crab cavities (Image: Julien Ordan/ CERN) The latest issue of Accelerating News is now online. In this issue you can read about: the challenges that have come with the HL-LHC crab cavity cryomodules, exploring unchartered waters with...Show More Summary

Real-time observation of collective quantum modes

A cylindrical rod is rotationally symmetric - after any arbitrary rotation around its axis it always looks the same. If an increasingly large force is applied to it in the longitudinal direction, however, it will eventually buckle and lose its rotational symmetry. Show More Summary

Superradiance of an ensemble of nuclei excited by a free electron laser

A collaboration of scientists from five of the world's most advanced x-ray sources in Europe, Japan and the US, has succeeded in verifying a basic prediction of the quantum-mechanical behavior of resonant systems. In the study published...Show More Summary

Researchers study thermodynamic processes in an ultra-high temperature molten oxide

The thermodynamic properties of compounds such as aluminum oxide, which are known as refractory materials because they melt at temperatures above 2,000 degrees Celsius (3,632 Fahrenheit), have been difficult to study because few vessels can withstand the heat to contain them, and those that do often react with the melt and contaminate it.

Unusual thermal convection in a well-mixed fluid

Researchers from Tokyo Metropolitan University, have recently discovered unusual thermal convection in a uniform mixture of high- and low-viscosity liquids. Kobayashi and Kurita found that concentration fluctuations are enhanced by thermal convection when the two liquids have a large viscosity difference. Show More Summary

GAMBIT project suggests theoretical particles are too massive for LHC detection

The elementary particles of new theoretical physics must be so massive that their detection in the LHC, the largest modern accelerator, will not be possible. This is the pessimistic conclusion of the most comprehensive review of observational...Show More Summary

Complete design of a silicon quantum computer chip unveiled

Research teams all over the world are exploring different ways to design a working computing chip that can integrate quantum interactions. Now, UNSW engineers believe they have cracked the problem, reimagining the silicon microprocessors...Show More Summary

Ultrasound imaging from a single large sensor

New technique could leader to faster, smaller and cheaper imagers

National MagLab's latest magnet snags world record, marks new era of scientific discovery

The Florida State University-headquartered National High Magnetic Field Laboratory has shattered another world record with the testing of a 32-tesla magnet—33 percent stronger than what had previously been the world's strongest superconducting magnet used for research and more than 3,000 times stronger than a small refrigerator magnet.

Artificial intelligence helps accelerate progress toward efficient fusion reactions

Before scientists can effectively capture and deploy fusion energy, they must learn to predict major disruptions that can halt fusion reactions and damage the walls of doughnut-shaped fusion devices called tokamaks. Timely prediction...Show More Summary

An ultradilute quantum liquid made from ultra-cold atoms

ICFO researchers created a novel type of liquid 100 million times more dilute than water and 1 million times thinner than air. The experiments, published in Science, exploit a fascinating quantum effect to produce droplets of this exotic phase of matter.

Researchers taking optical device out of the lab and into the clinic to detect cancer at its earliest stages

In a paper published in Nature Scientific Reports, a team of researchers at Worcester Polytechnic Institute (WPI) has demonstrated how a device that uses beams of light to grip and manipulate tiny objects, including individual cells,...Show More Summary

Scientists solve speed surprise in stratospheric stunt

Scientists say they've figured out why an Austrian who became the first skydiver to break the speed of sound fell faster than the drag of his body should have allowed.

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