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News articles about "Sunlight"

Cleaning the air with roof tiles

A team of University of California Riverside's Bourns College of Engineering students created a roof tile coating that when applied to an average sized residential roof breaks down the same amount of smog causing nitrogen ... - Read More

Reducing emissions will be primary way to fight climate change, study finds

Forget about positioning giant mirrors in space to reduce the amount of sunlight being trapped in Earth's atmosphere or seeding clouds to reduce the amount of light entering earth's atmosphere Those approaches to climate engineering ... - Read More

Novel laser system mimics sunlight to test solar cell efficiency

Researchers at the National Institute of Standards and Technology NIST have developed a laser based instrument that generates artificial sunlight to help test solar cell properties and find ways to boost their efficiency The novel ... - Read More

Common semiconductors stabilized for solar fuels generation

Researchers around the world are trying to develop solar driven generators that can split water yielding hydrogen gas that could be used as clean fuel Such a device requires efficient light absorbing materials that attract ... - Read More

Vines choke a forest's ability to capture carbon

Tropical forests are a sometimes underappreciated asset in the battle against climate change They cover seven percent of land surface yet hold more than 30 percent of Earth's terrestrial carbon As abandoned agricultural land in ... - Read More

New method discovered to protect against chemical weapons

Researchers at Oregon State University have discovered that some compounds called polyoxoniobates can degrade and decontaminate nerve agents such as the deadly sarin gas and have other characteristics that may make them ideal for protective ... - Read More

Advanced light: Sending entangled beams through fast-light materials

Michael Lewis's bestselling book Flash Boys describes how some brokers engaging in high frequency trading exploit fast telecommunications to gain fraction of a second advantage in the buying and selling of stocks But you don't ... - Read More

As carbon dioxide levels rise, some crop nutrients will fall, researchers find

Researchers have some bad news for future farmers and eaters As carbon dioxide levels rise this century some grains and legumes will become significantly less nutritious than they are today The new findings are reported ... - Read More

Climate change threatens to worsen U.S. ozone pollution

Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise according to new research led by the National Center for Atmospheric Research NCAR The detailed study ... - Read More

Taking the lead out of a promising solar cell: Environmentally friendly solar cell pushes forward the 'next big thing in photovoltaics'

Northwestern University researchers are the first to develop a new solar cell with good efficiency that uses tin instead of lead perovskite as the harvester of light The low cost environmentally friendly solar cell can ... - Read More

Synthesized 'solar' jet fuel: Renewable kerosene from sunlight, water and carbon dioxide

With the first ever production of synthesized solar jet fuel the EU funded SOLAR JET project has successfully demonstrated the entire production chain for renewable kerosene obtained directly from sunlight water and carbon dioxide CO2 ... - Read More

Undersea warfare: Viruses hijack deep-sea bacteria at hydrothermal vents

More than a mile beneath the ocean's surface as dark clouds of mineral rich water billow from seafloor hot springs called hydrothermal vents unseen armies of viruses and bacteria wage war Like pirates boarding a ... - Read More

Cheap, environmentally-friendly method for making transparent conductive films for laptops, smartphones, solar cells

Transparent conductive films are now an integral part of our everyday lives Whether in smartphones tablets laptops flat screens or on a larger scale in solar cells Yet they are expensive and complex to manufacture ... - Read More

Submarine: 'Virtual periscope' sees above-surface/airborne objects from underwater view

Up periscope may become a submarine commander's outdated order thanks to a team of Technion Israel Institute of Technology researchers who have developed a new technology for viewing objects above the water's surface without a ... - Read More

Label-free, sequence-specific, inexpensive fluorescent DNA sensors

Using principles of energy transfer more commonly applied to designing solar cells scientists at the U S Department of Energy's Brookhaven National Laboratory have developed a new highly sensitive way to detect specific sequences of ... - Read More

Breakthrough harnesses light for controlled chemical reaction

When chemist Tehshik Yoon looks out his office window he sees a source of energy to drive chemical reactions Plants learned to synthesize chemicals with sunlight eons ago Yoon came to the field a bit ... - Read More

Atomic switcheroo explains origins of thin-film solar cell mystery

Treating cadmium telluride CdTe solar cell materials with cadmium chloride improves their efficiency but researchers have not fully understood why Now an atomic scale examination of the thin film solar cells led by the Department ... - Read More

Ocean's carbon budget balanced: Supply of food to midwater organisms balanced with demands for food

Ocean scientists have for the first time successfully balanced the supply of food to midwater organisms with their demands for this food The depth at which they consume this sinking material regulates our climate by ... - Read More

Tiny transistors for extreme environs: Engineers shrink plasma devices to resist radiation

University of Utah electrical engineers fabricated the smallest plasma transistors that can withstand high temperatures and ionizing radiation found in a nuclear reactor Such transistors someday might enable smartphones that take and collect medical X ... - Read More

247th American Chemical Society National Meeting & Exposition Press Conference Schedule

a test for doping compounds that is a thousand times more sensitive than those used today Daniel Armstrong Ph D Hongyue GuoUniversity of Texas at Arlington *Instructions for joining chat room sessionsChat Room Sessions from ... - Read More
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