Radioactive
Forest fire near Chernobyl boosts radiation level  ABC NEWS · 10 hours
A forest fire is burning in the evacuated area around the Chernobyl nuclear power plant and is causing elevated radiation levels more
The Latest: Protective gear shortage hits Fukushima workers  ABC NEWS · 4 days
The shortage of protective gear caused by the coronavirus pandemic has hit the workers at the meltdown-hit Fukushima nuclear plant in Japan, where they’ve needed them daily for years to guard against... more
BESSY II: Ultra-fast switching of helicity of circularly polarized light pulses  PHYS.ORG · 4 days
At the BESSY II storage ring, a joint team of accelerator physicists, undulator experts and experimenters has shown how the helicity of circularly polarized synchrotron radiation... more
Quantum-entangled light from a vibrating membrane  PHYS.ORG · 5 days
Entanglement, a powerful form of correlation among quantum systems, is an important resource for quantum computing. Researchers from the Quantum Optomechanics group at the Niels Bohr Institute, University of Copenhagen, recently entangled two laser beams through... more
NASA selects mission to study causes of giant solar particle storms  PHYS.ORG · 5 days
NASA has selected a new mission to study how the Sun generates and releases giant space weather storms—known as solar particle storms—into planetary space. Not only... more
Research shows significant difference in radiation response between sexes  NEWS MEDICAL · 6 days
Women undergoing radiotherapy for many cancers are more likely than men to be cured, but the side effects are more brutal, according to one of Australia's most experienced radiation oncology... more
Energy-harvesting design aims to turn Wi-Fi signals into usable power  PHYS.ORG · 6 days
Any device that sends out a Wi-Fi signal also emits terahertz waves —electromagnetic waves with a frequency somewhere between microwaves and infrared light. These high-frequency radiation waves, known... more
Bricks can act as 'cameras' for characterizing past presence of radioactive materials  SCIENCE DAILY · 1 week
Researchers have developed a technique for determining the historical location and distribution of radioactive materials, such as weapons grade plutonium. The technique may allow... more
Demonstration of a third-order hierarchy of topological states in a three-dimensional acoustic metamaterial  Science Magazine · 1 week
Classical wave systems have constituted an excellent platform for emulating complex quantum phenomena, such as demonstrating topological phenomena in photonics and acoustics.... more
Energy-harvesting design aims to turn Wi-Fi signals into usable power  MIT · 1 week
Device for harnessing terahertz radiation might enable self-powering implants, cellphones, other portable electronics. more
New framework to help guide decisions for prostate cancer radiotherapy during COVID-19 pandemic  NEWS MEDICAL · 1 week
In the wake of the COVID-19 pandemic, a team of radiation oncologists from the U.S. and U.K. is recommending a new framework... more
Highly focused radiation may slow disease progression in men with oligometastatic prostate cancer  NEWS MEDICAL · 1 week
Highly focused, intense doses of radiation called stereotactic ablative radiation (SABR) may slow progression of disease in a subset of men with... more
Bricks can act as 'cameras' for characterizing past presence of radioactive materials  PHYS.ORG · 1 week
Researchers from North Carolina State University have developed a new technique for determining the historical location and distribution of radioactive materials, such as weapons... more
Intense and targeted radiotherapy could slow progression of certain prostate cancers  NEWS MEDICAL · 1 week
Targeted and strong doses of stereotactic ablative radiation (SABR) radiotherapy could slow progression in prostate cancer. more
Irradiated tumor cell-derived microparticles mediate tumor eradication via cell killing and immune reprogramming  Science Magazine · 2 weeks
Radiotherapy (RT) is routinely used in cancer treatment, but expansion of its clinical indications remains challenging. The mechanism underlying the radiation-induced bystander... more
A nanoscale device to generate high-power terahertz waves  PHYS.ORG · 2 weeks
Terahertz (THz) waves fall between microwave and infrared radiation in the electromagnetic spectrum, oscillating at frequencies of between 100 billion and 30 trillion cycles per second. These waves are prized for their... more
Distant 'quasar tsunamis' are ripping their own galaxies apart  LIVE SCIENCE · 2 weeks
The winds and radiation blowing out of quasars — the most energetic objects in the universe — can kill star formation galaxy-wide, new research shows. more
Pushing periodic disorder induced phase-matching into deep-ultraviolet spectral region  PHYS.ORG · 2 weeks
Phase matching condition is the key criteria for efficient nonlinear frequency conversion. Here, Scientists in China employed an additional periodic phase (APP) technique to meet the phase-matching condition in quartz... more
A new low-cost solar technology for environmental cooling  nanowerk · 2 weeks
Researchers propose a new technology for space cooling. No electricity is needed, but rather salty water possibly produced exploiting solar radiation. more
Tiny double accelerator recycles energy  SCIENCE DAILY · 2 weeks
A team of scientists has built a miniature double particle accelerator that can recycle some of the laser energy fed into the system to boost the energy of the accelerated electrons a second time. The device uses terahertz... more
Solar energy tracker powers down after 17 years  PHYS.ORG · 2 weeks
After nearly two decades, the Sun has set for NASA's SOlar Radiation and Climate Experiment (SORCE), a mission that continued and advanced the agency's 40-year record of measuring solar irradiance and studying... more
Tiny double accelerator recycles energy  PHYS.ORG · 2 weeks
A team of DESY scientists has built a miniature double particle accelerator that can recycle some of the laser energy fed into the system to boost the energy of the accelerated electrons a second time. The device uses... more
Research aimed at increasing shelf life of radiation drugs offers hope for cancer patients  NEWS MEDICAL · 2 weeks
People with hard-to-reach cancers in the kidney, gut and prostate will have improved hope for early diagnosis and treatment with... more
Researchers demonstrate first terahertz quantum sensing  PHYS.ORG · 2 weeks
Quantum physicists rely on quantum sensing as a highly attractive method to access spectral regions and detect photons (tiny packets of light) that are generally technically challenging. They can gather sample information in the spectral region... more
Growing stem cells for deep space exploration  PHYS.ORG · 3 weeks
Earth's magnetosphere protects us from the most harmful cosmic rays that bombard our planet but beyond this natural shield, astronauts are subjected to radiation that is a hundred times more than at sea level. more
Polymer films pass electron gun test  PHYS.ORG · 3 weeks
HSE researchers, jointly with colleagues from the RAN Institute of Organoelement Compounds and the RAN Institute of Physical Chemistry and Electrochemistry, have studied the properties of a polyarylene ether ketone-based copolymer (co-PAEK) for potential space applications.... more
Radiation damage spreads among close neighbors  PHYS.ORG · 3 weeks
A single X-ray can unravel an enormous molecule, physicists report in the March 17 issue of Physical Review Letters. Their findings could lead to safer medical imaging and a more nuanced understanding of the electronics of... more
Terahertz quantum sensing  Science Magazine · 3 weeks
Quantum sensing is highly attractive for accessing spectral regions in which the detection of photons is technically challenging: Sample information is gained in the spectral region of interest and transferred via biphoton correlations into another spectral range, for which highly... more
HaloSat offers galactic X-ray measurements on shoestring budget  PHYS.ORG · 3 weeks
Space research is an expensive business. Once a space-based instrument is proposed, researchers want to get as much value as possible from it. The proposed satellite quickly grows in instruments and capabilities.... more
European Gateway experiment will monitor radiation in deep space  PHYS.ORG · 3 weeks
The first science experiments that will be hosted on the Gateway, the international research outpost orbiting the moon, have been selected by ESA and NASA. Europe's contribution will monitor radiation... more
European Gateway experiment will monitor radiation in deep space  ESA · 3 weeks
The first science experiments that will be hosted on the Gateway, the international research outpost orbiting the Moon,... more
Quantum-nondemolition state detection and spectroscopy of single trapped molecules  Science Magazine · 3 weeks
Trapped atoms and ions, which are among the best-controlled quantum systems, find widespread applications in quantum science. For molecules, a similar degree of control is currently lacking owing to their... more
Discovery points to the origin of mysterious ultraviolet radiation  nanowerk · 3 weeks
Billions of lightyears away, gigantic clouds of hydrogen gas produce a special kind of radiation, a type of ultraviolet light known as Lyman-alpha emissions. The enormous clouds emitting the light... more
Electrical power generation from moderate-temperature radiative thermal sources  PHYS.ORG · 4 weeks
Moderate-temperature thermal sources often radiate waste heat as a by-product of mechanical work, chemical or nuclear reactions, or information processing. In a new report in Science, Paul S. Davids and a research... more
Discovery points to origin of mysterious ultraviolet radiation  SCIENCE DAILY · 4 weeks
Lyman-alpha blobs (LABs) are gigantic clouds of hydrogen gas that produce a special type of ultraviolet light known as Lyman-alpha emission. An extremely powerful energy source must produce this radiation, but scientists... more
Discovery points to origin of mysterious ultraviolet radiation  PHYS.ORG · 4 weeks
Billions of lightyears away, gigantic clouds of hydrogen gas produce a special kind of radiation, a type of ultraviolet light known as Lyman-alpha emissions. The enormous clouds emitting the light are Lyman-alpha... more
Turbulent convection at the heart of stellar activity  PHYS.ORG · 4 weeks
In their interiors, stars are structured in a layered, onion-like fashion. In those with solar-like temperatures, the core is followed by the radiation zone. There, the heat from within is led outwards... more
Highly selective recovery of lanthanides via layered vanadate with acid and radiation resistance  PHYS.ORG · 4 weeks
With the development of nuclear energy, environmental concerns associated with the nuclear fuel cycle has attracted great attention. However, the effective sequestration... more
Atomic fingerprint identifies emission sources of uranium  PHYS.ORG · 4 weeks
Uranium is not always the same: depending on whether this chemical element is released by the civil nuclear industry or as fallout from nuclear weapon tests, the ratio of the two anthropogenic, i.e. man-made,... more
Study shows effects of wildfires on health  PHYS.ORG · 4 weeks
In recent years, wildfires have grabbed the spotlight for their size, severity, and frequency, with scenes of destruction in California last fall and then Australia just weeks ago dominating international news. Extremely high ambient... more
New nanoparticle nickel-based contrast agent for photoacoustic imaging of deep tissues  NEWS MEDICAL · 1 month
Photoacoustic imaging has gained global attention for capturing images without causing pains or using ionizing radiation. Recently, many researchers have heavily studied on observing deep tissues... more
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