September 25, 2013
Mohenjo
Science
Afar Rift, amazon, business, Business News, climate, cubic kilometers, Daily Discovery, Earth, Earth Science, Environment, Ethiopia, Geology, Hotels, huffingtonpost, lava bubbles, Magma, Magma Blob, Magma Ethiopia, research, Science, Science News, Slideshow, technology, Technology News, travel, Underground Magma, University of Edinburgh, vacation, volcanic ridges
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The Afar Rift in Ethiopia is marked by enormous gashes that signal the breakup of the African continent and the beginnings of a new ocean basin, scientists think.
The fractures appear eerily similar to seafloor spreading centers, the volcanic ridges that mark the boundaries between two pieces of oceanic crust. Along the ridges, lava bubbles up and new crust is created, slowly widening the ocean basin.
But a look deep beneath the Afar Rift reveals the birth announcements may be premature. “It’s not as close to fully formed seafloor spreading as we thought,” said Kathy Whaler, a geophysicist at the University of Edinburgh in Scotland.
Whaler and her colleagues have spotted 120 cubic miles (500 cubic kilometers) of magma sitting in the mantle under the Afar Rift. Hot liquids like magma like to rise, so the discovery is a conundrum.
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Erta Ale, active volcano in the Afar Region of northeastern Ethiopia, at dawn. | Getty
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February 8, 2013
Mohenjo
Technical
billion bytes, business, check emails, Edinburgh, engage in social networking, future wireless data, Harald Haas, huffingtonpost, internet, internet check, lightbulbs, radio frequency spectrum, research, Science, Science News, share pictures, six billion, six exabytes -- six billion, smartphone, social networking, surf the internet, tablet PC, tablet pcs, technology, ted talks, transmit six exabytes, transmitted using radio frequency spectrum, travel, University of Edinburgh, vacation, wireless, wireless communications, wireless communications technology, wireless data transmitted through lightbulbs
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Watch the University of Edinburgh’s Harald Haas discuss how future wireless data can be transmitted through lightbulbs.
When we use smartphones or tablet PCs to surf the internet, check emails, share pictures, engage in social networking, or store information in a cloud, we make use of wireless communications technology.
Traditionally, all the information we move around with these devices is transmitted using radio frequency spectrum. The more data we generate, the more radio frequency spectrum we need.
It is forecast that by the year 2015, we will transmit six exabytes — six billion, billion bytes — every month through wireless networks. This is a ten-fold increase on the amount of data we send now.
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.Click link below for Ted talk:
http://www.huffingtonpost.com/2011/12/16/harald-haas-wireless-data_n_1153538.html?1324050673
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James' World 2 