News tagged with mercury deposits

Space scientists set for final spacecraft flyby of Mercury

NASA's MESSENGER spacecraft, which is toting an $8.7 million University of Colorado at Boulder instrument, will make its third and final flyby of Mercury on Sept. 29 -- a clever gravity-assist maneuver that ...

Space & Earth / Space Exploration

created Sep 28, 2009 | popularity 3.7 / 5 (3) | comments 0

Gov't considers 7 states for mercury site

(AP) -- The federal government is trying to find a location to store the nation's excess mercury deposits, with seven states being considered. But the government is quickly finding out that very few people ...

Space & Earth / Environment

created Jul 24, 2009 | popularity 4 / 5 (2) | comments 4




Search results for mercury deposits


Slip-and-slide power generators

Researchers from Vestfold University College in Norway have created a simple, efficient energy harvesting device that uses the motion of a single droplet to generate electrical power.

Physics / General Physics

created May 24, 2012 | popularity 4.7 / 5 (3) | comments 1

Beam them up: Ashes of 'Star Trek' actor in orbit

(AP) -- James Doohan, Scotty from "Star Trek," spent his acting career whizzing through the cosmos. Gordon Cooper was one of America's famous Mercury seven astronauts. And Bob Shrake spent his work life anonymously ...

Space & Earth / Space Exploration

created May 22, 2012 | popularity 4 / 5 (4) | comments 3

Toxic mercury, accumulating in the Arctic, springs from a hidden source

(Phys.org) -- Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry ...

Space & Earth / Earth Sciences

created May 21, 2012 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast

Long-term monitoring shows 60 percent reduction in acidity of Delaware rain

Several decades ago, precipitation in Delaware was among the most acidic in the country. Pollutants in the air reacted with rainwater to sprinkle sulfuric, nitric and carbonic acids onto the ground below, ...

Space & Earth / Environment

created May 03, 2012 | popularity not rated yet | comments 2

Nanostarfruits are pure gold for research

(PhysOrg.com) -- They look like fruit, and indeed the nanoscale stars of new research at Rice University have tasty implications for medical imaging and chemical sensing.

Nanotechnology / Nanomaterials

created Mar 27, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Nasa finds sea ice decline driving rise in Arctic air pollutants

(PhysOrg.com) -- Drastic reductions in Arctic sea ice in the last decade may be intensifying the chemical release of bromine into the atmosphere, resulting in ground-level ozone depletion and the deposit of ...

Space & Earth / Earth Sciences

created Mar 02, 2012 | popularity 4.5 / 5 (11) | comments 99 | with audio podcast

New study confirms low levels of fallout from Fukushima

Fallout from the 2011 Fukushima Dai-ichi nuclear power facility in Japan was measured in minimal amounts in precipitation in the United States in about 20 percent of 167 sites sampled in a nationwide study released today. ...

Space & Earth / Environment

created Feb 22, 2012 | popularity 5 / 5 (2) | comments 0

Vesta likely cold and dark enough for ice

(PhysOrg.com) -- Though generally thought to be quite dry, roughly half of the giant asteroid Vesta is expected to be so cold and to receive so little sunlight that water ice could have survived there for ...

Space & Earth / Space Exploration

created Jan 25, 2012 | popularity 4.8 / 5 (4) | comments 97 | with audio podcast

Earth's massive extinction: The story gets worse

Scientists have uncovered a lot about the Earth's greatest extinction event that took place 250 million years ago when rapid climate change wiped out nearly all marine species and a majority of those on land. ...

Space & Earth / Earth Sciences

created Jan 05, 2012 | popularity 4 / 5 (25) | comments 36 | with audio podcast

Upper atmosphere facilitates changes that let mercury enter food chain

Humans pump thousands of tons of vapor from the metallic element mercury into the atmosphere each year, and it can remain suspended for long periods before being changed into a form that is easily removed from the atmosphere.

Space & Earth / Environment

created Dec 18, 2011 | popularity 5 / 5 (2) | comments 17 | with audio podcast


List of search results for mercury deposits