News tagged with reversibility
Tracking a Jurassic reversal of the Earth's magnetic field
Roughly 180 million years ago, during the height of the Jurassic period, the Earth's magnetic field flipped, bringing the magnetic north pole once again into the Northern Hemisphere.
Space & Earth / Earth Sciences
May 17, 2012 |
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Radical changes needed to quench the world's thirst
Korea pushes research and development for global water market. Busan, a city of almost 4 million and host of the IWA World Water Congress and Exhibition, will be operating the world’s largest seawater reverse osmosis ...
May 01, 2012 |
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Inspired by gecko feet, scientists invent super-adhesive material
For years, biologists have been amazed by the power of gecko feet, which let these 5-ounce lizards produce an adhesive force roughly equivalent to carrying nine pounds up a wall without slipping. Now, a team ...
Feb 16, 2012 |
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Research makes desalination easier to swallow
"We live in one of the driest places on earth, and so the opportunity to create new sources of water for the Australian community is incredibly important," said Professor Saravanamuth Vigneswaran, Director ...
Sep 22, 2011 |
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Desalinating seawater with minimal energy use
At a pilot facility in Singapore, Siemens has cut the energy needed to desalinate seawater by more than 50 percent. The plant processes 50 cubic meters of water per day, consuming only 1.5 kilowatt-hours of ...
Technology / Energy & Green Tech
Jul 12, 2011 |
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Britain unveils desalination plant for London reservoirs
(PhysOrg.com) -- Britain has brought online a new desalination plant near London capable of providing the city with 150 million gallons (568 million litres) of water per day, should the need arise. At a cost ...
Apr 25, 2011 |
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Ultra-fast magnetic reversal observed
A newly discovered magnetic phenomenon could accelerate data storage by several orders of magnitude.
Apr 13, 2011 |
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Evidence of second fast north-south pole flip found
(PhysOrg.com) -- The Earth's magnetic poles flip around every 200,000 years or so, with north becoming south and vice versa. Normally, the process takes 4-5,000 years and it ought to be impossible for the ...
Space & Earth / Earth Sciences
Sep 06, 2010 |
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Reversible watermarking for digital images
Every picture tells a story, but how do you know that a digital photo has not been manipulated to change the tale being told? A new approach to adding an encrypted watermark to digital images allows the an image to be validated ...
Technology / Computer Sciences
Jul 06, 2010 |
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Robotic-assisted vasectomy reversal offers greater chance of fatherhood
In 1989 a 29-year-old Michael Schrader had it all: steady job, a wife, and two wonderful children—daughter Courtney and son Cameron. He couldn't envision wanting more—that is, more children. Taking steps to keep his nuclear ...
May 27, 2010 |
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UF urologists use robot to shave time off vasectomy reversal, raise sperm counts
(PhysOrg.com) -- University of Florida urologists have used robot-assisted surgery to cut about 20 minutes off average surgery time for conventional vasectomy reversal using a microscope. Sperm count after surgery is comparable ...
Jan 06, 2010 |
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Cloning plants from seeds
(PhysOrg.com) -- Wageningen geneticists (The Netherlands) are developing a method to replicate the parents of a chosen plant. Known as 'reverse breeding', this will have a big impact for the breeding industry.
Dec 15, 2009 |
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Ovaries must suppress their inner male
For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that t ...
Dec 10, 2009 |
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The IUD is the most popular long-acting contraceptive amongst Europeans
A European study has defined the profile for the usage of long-acting contraceptive methods. The work, presented with the National Congress of Gynaecology award, shows, amongst other things, that 10% of women ...
Oct 28, 2009 |
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Physicist Proposes Solution to Arrow-of-Time Paradox
(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...
Aug 27, 2009 |
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