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Physics news
Shrinking quantum key distribution technology to a semiconductor chip
Toshiba Europe Ltd today announced it has developed the world's first chip-based quantum key distribution (QKD) system. This advance will enable the mass manufacture of quantum security technology, bringing its application ...
Quantum Physics
43 minutes ago
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On the hunt for hypernuclei
With the WASA detector, a very special instrument is currently being set up at GSI/FAIR. Together with the fragment separator FRS, it will be used to produce and study so-called hypernuclei during the upcoming experiment ...
General Physics
44 minutes ago
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Bright prospects for OCT retinal scans at 30
Around the world, every second, someone gets a retinal OCT scan, typically as a routine portion of an eye exam. The high-resolution images obtained by OCT allow ophthalmologists to diagnose and monitor treatment for many ...
Optics & Photonics
10 minutes ago
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Quantum-encrypted information transmitted over fiber more than 600 kilometers long
By implementing a new signal stabilization technique, researchers were able to achieve secure quantum communication over a record 605 kilometers of fiber using the twin-field quantum key distribution (QKD) protocol. The new ...
Optics & Photonics
9 minutes ago
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Physicists describe photons' characteristics to protect future quantum computing
Consumers need to be confident that transactions they make online are safe and secure. A main method to protect customer transactions and other information is through encryption, where vital information is encoded with a ...
Quantum Physics
7 minutes ago
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New photonic chip for isolating light may be key to miniaturizing quantum devices
Light offers an irreplaceable way to interact with our universe. It can travel across galactic distances and collide with our atmosphere, creating a shower of particles that tell a story of past astronomical events. Here ...
Optics & Photonics
2 hours ago
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Need for massive space telescope inspires lightweight flexible holographic lens
Inspired by a concept for discovering exoplanets with a massive space telescope, a team of researchers is developing holographic lenses that render visible and infrared starlight into either a focused image or a spectrum. ...
General Physics
1 hour ago
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Academics recreate supernova reaction in a lab
Researchers in Surrey's Nuclear Physics Group have collaborated with TRIUMF National Laboratory (Canada) to achieve the first direct measurement of a supernova reaction in a laboratory using an accelerated beam of radioactive ...
Plasma Physics
5 hours ago
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A traffic light for light-on-a-chip
Integrated photonics allow us to build compact, portable, low-power chip-scale optical systems used in commercial products, revolutionizing today's optical datacenters and communications. But integrating on-chip optical gain ...
Optics & Photonics
2 hours ago
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New MOND theory able to account for cosmic microwave background
A pair of researchers at the Czech Academy of Sciences has been shaking up the astrophysics community with a new modified Newtonian dynamics (MOND) theory that tosses out the concept of dark matter and instead backs up theories ...
Chip-based optical tweezers levitate nanoparticles in a vacuum
Researchers have created tiny chip-based optical tweezers that can be used to optically levitate nanoparticles in a vacuum. Optical tweezers—which employ a tightly focused laser beam to hold living cells, nanoparticles ...
Optics & Photonics
3 hours ago
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Photon-counting distributed free-space spectroscopy
Remote sensing of atmospheric gas plays an important role in the fields of greenhouse gas monitoring, toxic, harmful, flammable, explosive gasses, and biochemical weapons early warning. With the advent of quantum mechanics ...
Optics & Photonics
2 hours ago
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Researchers discover monolayer Mott insulator resistant to stimuli such as heat and light
Superconductivity—where electrical resistance drops and current continues without power—is a unique property used to enable MRI machines and particle accelerators, but its temperature-based restrictions have limited applications. ...
Superconductivity
4 hours ago
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Quantum material to boost terahertz frequencies
Topological insulators conduct electricity in a special way and hold the promise of novel circuits and faster mobile communications. Under the leadership of the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), a research team ...
Quantum Physics
4 hours ago
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Three-dimensionally oriented orbital angular momentum of light
Recently, National Science Review published online the research results on three-dimensionally oriented orbital angular momentum of light from Professor Qiwen Zhan's team at the University of Shanghai for Science and Technology.
Optics & Photonics
2 hours ago
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Using an atomic clock to demonstrate general relativity
A team of researchers at the JILA, National Institute of Standards and Technology at the University of Colorado has found a way to use an atomic clock to demonstrate a principle of general relativity. The team has published ...
How Bali could teach the world to manage its limited resources
Water is a limited resource. As such, efficient ways to jointly manage and optimize water reserves are essential for our present and future. But how can a well-balanced system be established? In order to single out the relevant ...
General Physics
Oct 20, 2021
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New insights into heat pathways improve understanding of fusion plasma
A high-tech fusion facility is like a thermos—both keep their contents as hot as possible. Fusion facilities confine electrically charged gas known as plasma at temperatures 10 times hotter than the sun, and keeping it ...
Plasma Physics
Oct 20, 2021
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How plasma technology can safely clean disposable PPE for reuse
A new study from the University of Southampton has demonstrated a new method to safely clean and reuse facemask respirators with advanced low-temperature plasma technology. The discovery could help future pandemic responses ...
Plasma Physics
Oct 20, 2021
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Key magnet installed at sPHENIX detector
After years of careful planning, crews at the U.S. Department of Energy's Brookhaven National Laboratory installed an enormous superconducting magnet that will be the centerpiece of the sPHENIX detector. sPHENIX is an ongoing ...
Superconductivity
Oct 20, 2021
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Tuning transparency and opacity
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One of the first models to capture dynamics of confined cell movement
Study explores post-mortem fame
Northern lakes warming six times faster in the past 25 years
US gun violence increased 30 percent during COVID-19 pandemic
Cooling radio waves to their quantum ground state
Ultrafast optical switching can save overwhelmed datacenters
Intelligent optical chip to improve telecommunications
Using quantum Parrondo's random walks for encryption
New nanowire architectures boost computers' processing power
The photoelectric properties of MAPbI3
Northern white rhino retired from world-first breeding project
Scientists uncover a gene involved in sexual conflict in fruit flies
African grey parrots may have better self-control than macaws
Some of the world's oldest rubies linked to early life
DNA shows Japanese wolf closest relative of domestic dogs
How staphylococci protect themselves against antibiotics
