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News articles about "Light"

Glimpsing pathway of sunlight to electricity

Four pulses of laser light on nanoparticle photocells in a University of Oregon spectroscopy experiment has opened a window on how captured sunlight can be converted into electricity The work which potentially could inspire devices ... - Read More

What 'fecal prints' of microbes can tell us about Earth's evolution

Everything that eats must excrete and microbes are no exception Microbes have dominated Earth's ecology for at least the past 3.5 billion years They play a vital role in the planet's carbon cycle by digesting ... - Read More

Study fuels hope for natural gas cars: Metal organic framework candidates for methane storage identified

Cars that run on natural gas are touted as efficient and environmentally friendly but getting enough gas onboard to make them practical is a hurdle A new study led by researchers at Rice University promises ... - Read More

A gold catalyst for clear water: Mixed nanoparticle systems may help purify water and generate hydrogen

Improved photocatalyst microparticles containing gold nanoparticles can be used to purify water A new catalyst could have dramatic environmental benefits if it can live up to its potential suggests research from Singapore A*STAR researchers have ... - Read More

Ultrasounds dance the 'moonwalk' in new metamaterial

Metamaterials have extraordinary properties when it comes to diverting and controlling waves especially sound and light for instance they can make an object invisible or increase the resolving power of a lens Now researchers at ... - Read More

Possible avenue to better electrolyte for lithium ion batteries

The lithium ion batteries that mobilize our electronic devices need to be improved if they are to power electric vehicles or store electrical energy for the grid Berkeley Lab researchers looking for a better understanding ... - Read More

Atom-thick CCD could capture images

An atomically thin material developed at Rice University may lead to the thinnest ever imaging platform Synthetic two dimensional materials based on metal chalcogenide compounds could be the basis for superthin devices according to Rice ... - Read More

Intelligent façades generating electricity, heat and algae biomass

Windows that change their light permeability at the touch of a button façades whose color can be changed according to the sunlight façades and window parts in which transparent photovoltaic modules are integrated or in ... - Read More

The simplest element: Turning hydrogen into 'graphene'

New work from Carnegie's Ivan Naumov and Russell Hemley delves into the chemistry underlying some surprising recent observations about hydrogen and reveals remarkable parallels between hydrogen and graphene under extreme pressures Their work is the ... - Read More

How bird eggs get their bling

Splashy blue and green hues pop from under the glassy finish of the Tinamou species' bird relatives of ostriches rheas and emus eggs Pigments covered by a thin smooth cuticle reveal the mystery behind these ... - Read More

New way to diagnose brain damage from concussions, strokes, and dementia

New optical diagnostic technology developed at Tufts University School of Engineering promises new ways to identify and monitor brain damage resulting from traumatic injury stroke or vascular dementia in real time and without invasive procedures ... - Read More

Oil-dwelling bacteria are social creatures in Earth's deep biosphere

Oil reservoirs are scattered deep inside Earth like far flung islands in the ocean so their inhabitants might be expected to be very different but a new study led by Dartmouth College and University of ... - Read More

NASA study shows 13-year record of drying Amazon caused vegetation declines

A 13 year decline in vegetation in the eastern and southeastern Amazon has been linked to a decade long rainfall decline in the region a new NASA funded study finds With global climate models projecting ... - Read More

Scientists measure speedy electrons in silicon

he entire semiconductor industry not to mention Silicon Valley is built on the propensity of electrons in silicon to get kicked out of their atomic shells and become free These mobile electrons are routed and ... - Read More

Nanoshaping method points to future manufacturing technology

A new method that creates large area patterns of three dimensional nanoshapes from metal sheets represents a potential manufacturing system to inexpensively mass produce innovations such as plasmonic metamaterials for advanced technologies The metamaterials have ... - Read More

Solid-state proteins maximize intensity of fluorescent-protein-based lasers

The same research team that developed the first laser based on a living cell has shown that use of fluorescent proteins in a solid form rather than in solution greatly increases the intensity of light ... - Read More

Organic electronics could lead to cheap, wearable medical sensors

Future fitness trackers could soon add blood oxygen levels to the list of vital signs measured with new technology developed by engineers at UC Berkeley There are various pulse oximeters already on the market that ... - Read More

'Smart windows' have potential to keep heat out and save energy

Windows allow brilliant natural light to stream into homes and buildings Along with light comes heat that in warm weather we often counter with energy consuming air conditioning Now scientists are developing a new kind ... - Read More

New way to plug 'leaky' light cavities demonstrated

Engineers at the University of California San Diego have demonstrated a new and more efficient way to trap light using a phenomenon called bound states in the continuum BIC that was first proposed in the ... - Read More

New technique could harvest more of the sun's energy

As solar panels become less expensive and capable of generating more power solar energy is becoming a more commercially viable alternative source of electricity However the photovoltaic cells now used to turn sunlight into electricity ... - Read More
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