Scientists at the U.S. Naval Research Laboratory (NRL) Materials Science and Technology Division have developed a novel one-step
The post Researchers develop novel method to synthesize nanoparticles has been published on Technology Org.
Located 260 light-years away, exoplanet WASP-43b is no place to call home. It is a world of extremes, where seething winds howl at the speed of sound from a 3,000-degree-Fahrenheit day side, hot enough to melt steel, to a pitch-black night side with plunging temperatures below 1,000 degrees Fahrenheit. The Hubble Space Telescope has been used to make the most detailed global map yet of the thermal glow from this turbulent world. The astronomers were also able to map temperatures at different layers of the world's atmosphere and traced the amount and distribution of water vapor. The Jupiter-sized planet lies so close to its orange dwarf host star that it completes an orbit in just 19 hours. The planet is also gravitationally locked so that it keeps one hemisphere facing the star.
For several hundred years, human activity on the Falkland Islands — roughly 300 miles off the Argentine coast — threatened its penguins' survival. But that trend started to reverse in 1982, when Argentina and Britain began duking it out for control of the Falklands. Turns out, a war, a few landmines, and some unstable diplomatic relations might have been just enough to get the penguins back on track.
The Falkland Islands are small. Collectively, the 200-plus islands that make up the Falklands are only about as big as Connecticut. But through the years, they've managed to inspire...
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There's never been a better time to be a media-savvy expert in America, it seems. Cable networks want to put you on TV, publishers want to give you a book deal, and newspapers desperately want your quote. The only thing missing? Actual clout.
Doctors, judges, physicists, and priests used to be figures of towering authority in the U.S. Gallup's June survey of public trust in some high-profile professions has some sobering numbers for America's expert class:
Only three institutions top 50 percent — the military, small businesses, and the police. The military's numbers have been generally...
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Each year in September, the sea ice at the two poles reach opposite extremes. Early in the month, the Arctic ice bottoms out, reaching its annual minimum. Off of Antarctica, the ice typically reaches its greatest extent toward the end of the month. In recent years, the Arctic sea ice has grabbed the most attention, as its dramatic loss has set records. But this year, most of the drama is occurring down south.
Arctic sea ice, which is largely contained in the closed basin surrounding the North Pole, set a record in 2012, falling well below the previous 2007 record. But last year, although the melting has remained well below the average of the satellite measurements, the loss of ice hasn't been extreme. The same could be said of this year; it's the sixth lowest amount of ice we've seen at this point of the year, but that's nowhere near the record loss we saw in 2012. The ice did shrink enough to open a passage north of Russia, but the Northeast Passage above Canada remained ice-filled.
The ice cover did remain within two standard deviations of the 1981-2010 average, but it's not clear that's all that significant, given that this period includes the second-lowest year on record. But having two years in a row of somewhat moderated melting is probably a sign that the tremendous loss of ice in 2012 has not shifted the Arctic into a trend where ice loss accelerates with each Arctic summer. It also may enable a slight regrowth of some of the thicker, multi-year ice that does not melt as readily.
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The Pacific Ocean and Chilean coast lie below this sea of clouds. Seen through the subtle colors of the predawn sky a lunar eclipse is in progress above, the partially eclipsed Moon growing dark. The curved edge of planet Earth's shadow still cuts across the middle of the lunar disk as the Moon sinks lower toward the western horizon. In fact, from this southern hemisphere location as well as much of eastern North America totality, the Moon completely immersed within Earth's shadow, began near the time of moonset and sunrise on October 8. From farther west the total phase could be followed for almost an hour though, the darker reddened Moon still high in the night sky.America has always been a nation of tinkerers, inventors, and entrepreneurs. In recent years, a growing number of
The post Printing Challenges For First 3D Printer Aboard International Space Station has been published on Technology Org.
