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News articles about "Radiation"

Better understanding of water's freezing behavior at nanoscale

The results of a new study led by George Washington University Professor Tianshu Li provide direct computational evidence that nucleation of ice in small droplets is strongly size dependent an important conclusion in understanding water's ... - Read More

Nanoantennas improve infrared sensing

Light, Light
A team of University of Pennsylvania engineers has used a pattern of nanoantennas to develop a new way of turning infrared light into mechanical action opening the door to more sensitive infrared cameras and more ... - Read More

Earth's iron core is surprisingly weak

earth, Earth
Researchers have used a diamond anvil cell to squeeze iron at pressures as high as 3 million times that felt at sea level to recreate conditions at the center of Earth The findings could refine ... - Read More

X-ray tomography of living frog embryo

X-ray
Classical X ray radiographs provide information about internal absorptive structures of organisms such as bones Alternatively X rays can also image soft tissues throughout early embryonic development of vertebrates Related to this a new X ... - Read More

Team wins Cubesat berth to gather Earth energy imbalance measurements

Earth, earth
A team of scientists has won a berth on a tiny satellite to explore one of NASA's most important frontiers in climate studies the imbalance in Earth's energy budget and the extent to which fast ... - Read More

Dust in the clouds: Cirrus clouds form around mineral dust and metallic particles

Mineral
At any given time cirrus clouds the thin wisps of vapor that trail across the sky cover nearly one third of the globe These clouds coalesce in the upper layers of the troposphere often more ... - Read More

'Power plants': How to harvest electricity directly from plants

Plants, plants
The sun provides the most abundant source of energy on the planet However only a tiny fraction of the solar radiation on Earth is converted into useful energy To help solve this problem researchers at ... - Read More

Elucidating energy shifts in optical tweezers

Physicists are providing an all in one guide to help calculate the effect the use of optical tweezers has on the energy levels of atoms under study A small piece of paper sticks to an ... - Read More

Microelectronics: Taking the heat off microfluidic chips

Replacing a high temperature processing technique with an infrared treatment allows the manufacture of tiny devices without damaging the polymer components Share This See Also Microarrays Chemistry Inorganic Chemistry Artificial Intelligence Mobile Computing Information Technology ... - Read More

Scientists investigate release of bromine in polar regions

Ozone, Ozone
The chemical element bromine whose compounds contribute significantly to the depletion of ozone in the lower atmosphere is also released in polar regions to a great extent from snow on land This is the result ... - Read More

Earth's center is 1,000 degrees hotter than previously thought, synchrotron X-ray experiment shows

X-ray
Scientists have determined the temperature near the Earth's centre to be 6000 degrees Celsius 1000 degrees hotter than in a previous experiment run 20 years ago These measurements confirm geophysical models that the temperature difference ... - Read More

Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust But decisive evidence for this phenomenon has proven elusive New research from a team including Carnegie's Erik ... - Read More

New material approach should increase solar cell efficiency

New material
When designing next generation solar energy conversion systems we must first develop ways to more efficiently utilize the solar spectrum explained Lane Martin whose research group has done just that Share This See Also Materials ... - Read More

Peel-and-stick solar cells

It may be possible soon to charge cell phones change the tint on windows or power small toys with peel and stick versions of solar cells thanks to a partnership between Stanford University and the ... - Read More

Revealing Hidden Artwork with Airport Security Full-Body-Scanner Technology

In the latest achievement in efforts to see what may lie underneath the surface of great works of art scientists today described the first use of an imaging technology like that used in airport whole ... - Read More

Liquid on liquid goes solid

A Kiel based research group has discovered nano crystals at the interface between two liquids Share This See Also Nature of Water Inorganic Chemistry Physics Graphene Chemistry Materials Science Mechanics Liquid Particle accelerator Surface tension ... - Read More

Light tsunami in a superconductor

Light, Light
In their latest experiment Prof Andrea Cavalleri from the Max Planck Institute for the Structure and Dynamics of Matter at the Hamburg based Center for Free Electron Laser Science CFEL and Dr Michael Gensch from ... - Read More

3-D scaffolds a new tool to fight cancer

cancer
Porous polymer scaffolds fabricated to support the growth of biological tissue for implantation may hold the potential to greatly accelerate the development of cancer therapeutics Share This See Also Cancer Brain Tumor Lung Cancer Biochemistry ... - Read More

NASA's SORCE satellite marks a decade in the sun

NASA
NASA's Solar Radiation and Climate Experiment SORCE satellite has been providing data on the sun's irradiance for 10 years SORCE measures electromagnetic radiation produced by the sun and the power per unit area of that ... - Read More

Embedding photovoltaic modules more quickly

The market for solar modules is highly competitive For this reason companies must save on costs such as by using a new process It embeds the cells twice as fast into their protective plastic sheathing ... - Read More
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