Could a Wearable UV Detector Prevent Skin Cancer?

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The UV Dosimeter invented by Martin Allen in collaboration with Niwa and Canterbury University. It can be worn like a watch or pinned to clothing.

A small device to measure exposure to ultraviolet radiation could one day be sold to schools and researchers to help prevent skin cancer.  The UV Dosimeter, invented by Canterbury University computer engineer Martin Allen, can be worn like a wristwatch or pinned to different parts of the body.

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Stunning Photos of the Sun’s Corona During a Solar Eclipse

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This image shows the solar corona that makes up the sun’s ‘atmosphere’ in amazing detail as the sun passes behind the Moon

Shooting a million miles or more out into the hard, cold vacuum of space, this fiery halo is one of the wonders of the universe.  Whipped into gigantic swirls by the Sun’s ferocious magnetic fields, the shell of super-hot gas is as beautiful as it is dangerous.

 

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Saturn’s Aurora Offer Stunning Double Show

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An enormous and grand ringed planet, Saturn is certainly one of the most intriguing bodies orbiting the sun.

An enormous and grand ringed planet, Saturn is certainly one of the most intriguing bodies orbiting the Sun. Hubble has now taken a fresh look at the fluttering aurorae that light up both of Saturn’s poles.

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Giant Magnetic Loop Sweeps Through Space Between Stellar Pairs

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Artist’s conception of Algol star system with radio image superimposed on grid.

Astronomers have found a giant magnetic loop stretched outward from one of the stars making up the famous double-star system Algol. The scientists used an international collection of radio telescopes to discover the feature, which may help explain details of previous observations of the stellar system.

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Strange Roof Orbs Provide Alternative Solar Power

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Nani Kore (”What’s This?”) is the name of a Japanese TV show that digs up bizarre things and phenomena observed around the world and explains how they work. In the latest show, they presented a house in central Tokyo that proves solar power can be used in a residential setting without those expensive solar panels and cells. (video)

 

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Fog Discovered on Saturn’s Largest Moon, Titan

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Fingers of fog can be seen moving across the south pole of Titan in this image constructed by Mike Brown and his colleagues using data from the Cassini spacecraft.

Saturn’s largest moon, Titan, looks to be the only place in the solar system — aside from our home planet, Earth — with copious quantities of liquid (largely, liquid methane and ethane) sitting on its surface. According to planetary astronomer Mike Brown of the California Institute of Technology (Caltech), Earth and Titan share yet another feature, which is inextricably linked with that surface liquid: common fog.

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Scientists Explain Puzzling Lake Asymmetry on Saturn’s Moon Titan

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This image shows the northern and southern hemispheres of Titan, showing the disparity between the abundance of lakes in the north and their paucity in the South.

Researchers at the California Institute of Technology (Caltech) suggest that the eccentricity of Saturn’s orbit around the sun may be responsible for the unusually uneven distribution of methane and ethane lakes over the northern and southern polar regions of the planet’s largest moon, Titan. On Earth, similar “astronomical forcing” of climate drives ice-age cycles.

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CO2 Recycler Creates Fuel From Carbon Dioxide

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This prototype, known as the CR5, was designed to convert carbon dioxide into carbon monoxide, or water into hydrogen, using concentrated solar energy

Researchers at Sandia National Laboratories have built a machine that uses the sun’s energy to convert carbon dioxide waste from power plants into transportation fuels such as gasoline, diesel, and jet fuel. The system could provide an alternative to carbon sequestration; instead of permanently storing CO2 underground, the CO2 could be recycled and put to use.

 

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Solar Winds Triggered by Magnetic Fields

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XRT Full Sun (Synoptic).

Solar wind generated by the sun is probably driven by a process involving powerful magnetic fields, according to a new study led by UCL (University College London) researchers based on the latest observations from the Hinode satellite.

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Bubbling Ball of Gas: SUNRISE Telescope Delivers Spectacular Pictures of Sun’s Surface

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The IMaX instrument not only depicts the solar surface, it also makes magnetic fields visible; these appear as black or white structures in the polarised light.

The Sun is a bubbling mass. Packages of gas rise and sink, lending the sun its grainy surface structure, its granulation. Dark spots appear and disappear, clouds of matter dart up — and behind the whole thing are the magnetic fields, the engines of it all. The SUNRISE balloon-borne telescope, a collaborative project between the Max Planck Institute for Solar System Research in Katlenburg-Lindau and partners in Germany, Spain and the USA, has now delivered images that show the complex interplay on the solar surface to a level of detail never before achieved.

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Are Earth’s Oceans Made Of Extraterrestrial Material?

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Pacific ocean. Did water come from ice-covered asteroids that may have reached the Earth around one hundred million years after the birth of the planets?

Contrary to preconceived notions, the atmosphere and the oceans were perhaps not formed from vapors emitted during intense volcanism at the dawning of our planet. Francis Albarède of the Laboratoire des Sciences de la Terre (CNRS / ENS Lyon / Université Claude Bernard) suggests that water was not part of the Earth’s initial inventory but stems from the turbulence caused in the outer Solar System by giant planets. Ice-covered asteroids thus reached the Earth around one hundred million years after the birth of the planets.

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