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Radioactive Decay
Radioactive Decay: - Spontaneous change in an atom by emission of of charged particles and/or gamma rays; also known as radioactive disintegration and radioactivity. [Environmental Protection Agency] News archive for Radioactive Decay:: |
Red, Green, and Blue,...about the pros and cons of long term disposal, the natural process of radioactive decay continues to make the fuel easier and easier to handle.
San Bernardino County gets EPA bill for radium cleanup at Chino ... - Aug 3, 2008
Press-Enterprise,The greatest health risk from radium is from exposure to its radioactive decay product, radon, according to the EPA. Exposure to the odorless, tasteless and
Nuke material spilled when glass bottle 'tapped' against marble ... - Jul 31, 2008
WorldNetDaily,...the report said, because the alpha particles from the radioactive decay inside the body are in direct contact with human tissue.
Richard Munschauer '09 Digs Into Calciobetafite - Jul 24, 2008
Hamilton College News,...how long ago his rocks formed and perhaps gain a better understanding of the calciobetafite's origins, he will measure the mineral's radioactive decay.
Radioactive-waste storage holds key to nuclear power - Jul 13, 2008
Toledo Blade,It's one in which mountain rocks must be capable of withstanding radioactive decay for at least 10000 years, something no scientist can possibly guarantee
System monitors sub-zero connections - Jul 31, 2008
Electronics Talk (press release),The US $274 million project is geared toward the detection of neutrinos - subatomic particles that are a result of radioactive decay.
Superluminal waves make a theoretical splash - Jul 31, 2008
Ars Technica,Tunneling is of fundamental importance because it provides a framework through which our understanding of radioactive decay and modern electronics (among
Nuclear fallout - Jul 15, 2008
San Francisco Bay Guardian,...cobalt-60, plutonium-239, radium-226 (from radioactive decay of uranium-238) and strontium-90 could be present in underground drains and sewers.
5.4 Earthquake rattles nerves - Jul 29, 2008
MWC News,Every radioactive decay can cause cancer, and kill. They are not just polluting the local water. They are polluting everybody else's water, too.
Nuclear chemistry - Jul 26, 2008
Nanowerk LLC,This tightly bound quartet emerges during radioactive decay of nuclei like uranium-238, and is itself the nucleus of the common isotope of helium.
Is your home free from air pollution? - Jul 26, 2008
Informative Post,It is a naturally occuring gas that comes from radioactive decay of uranium that comes from rocks and soil. We can’t see, taste or smell it.
Search for Alien Life Gains New Impetus - Jul 19, 2008
Washington Post,She and colleagues explored the depths of South African gold mines and, to their great surprise, found bacteria sustained only by the radioactive decay of
Superbugs in Space! - Jul 28, 2008
The Plank on TNR.com,...and planet-hunters like Paul Butler seems obvious: if biogeologists are able to discover bacteria thriving on the radioactive decay of nearby rocks,
NOTTING HILL HOUSING IS LABOUR PARTY SCAM.. - Jul 27, 2008
Indymedia Venezuela,The main danger for any holding of such materials would be the telltale exposure of the elements [radioactive decay] to surveillance and detection.
India Basins Half a Billion Years Older Than Thought - Jul 10, 2008
National Geographic,Researchers dated the kimberlite to about 1.073 billion years ago using radioactive decay. The scientists also documented the rocks' magnetic orientation,
Gain Insight in to Brazil's Nuclear Power Market Potential - Jul 10, 2008
MarketWatchHuman use of nuclear power to do significant useful work is currently limited to nuclear fission and radioactive decay. Nuclear energy is produced when a
Naive billionaires Gates and Bloomberg believe their millions may ... - Jul 25, 2008
Pravda,Sidestream smoke contains 69 known carcinogens, particularly benzopyrene and other polynuclear aromatic hydrocarbons, and radioactive decay products,
Carl Welser: A dialogue on energy issues - Jul 14, 2008
Livingston Daily,First, there is radioactive decay at the core of the Earth accounting for massive internal heating. This results in volcanoes, earthquakes and hot springs.
Beta and X-ray diffraction in cavitated films - Jul 10, 2008
Converting Magazine,Also, beta rays are not x-rays but particles (electrons or positrons) released from a radioactive atom during a radioactive decay where a neutron changes to
Summer courses may help students become nurses sooner - Jul 10, 2008
The Grand Rapids Press - MLive.com,Press Photo/Adam BirdShashu Wells works on a math problem about radioactive decay for a class in the Summer Health Care Career Academy for high school
Uranium mining activities pose public health threat for millions ... - 03 Dec 2007
Canadian National Newspaper,Uranium ore contains not only large quantities of uranium, but equally large inventories of the radioactive “decay products� of uranium, including radium,
Physicists Peer Closely At Radioactive Decay Of A Rare Isotope At ... - Nov 8, 2007
Science Daily (press release)The scientists describe a first-ever success in peering closely at radioactive decay of a rare iron isotope at the ragged edge of the known nuclear map.
The Green Revolution: Why it can't wait - Nov 24, 2007
MWC News,There are numerous radioactive decay steps after the original decay of uranium, before it becomes lead or some other stable element, and each radioactive
Westinghouse N-Vision Announces 2007-08 Winners of Brighter Future ... - Nov 29, 2007
Earthtimes,Seneca Valley Intermediate High School, Harmony, PA Students in 10th grade honors chemistry and algebra will participate in the project, "Radioactive Decay:
Oh, No! Not another “Uranium Dirty Bomb� Story! - Nov 30, 2007
FAS Strategic Security Project Blog,According to a recent report from AP, Slovak police arrested people trying to sell highly enriched uranium to undercover agents. According to the police,
Researchers capture exotic form of radioactivity on camera - Nov 12, 2007
Cordis News,The radioactive decay of the rare iron-45 isotope, which consists of a nucleus with 26 protons and 19 neutrons, as opposed to the stable form of iron with
New Underground Particle Detectors Proposed for Europe - Nov 30, 2007
PhysOrg.com,Detecting neutrinos produced in the radioactive decay of heavy elements within Earth is an unexploited field of research that could open a rare window into
Radioactive Nimby: No One Wants Nuclear Waste - Nov 6, 2007
New York Times,Firing neutrons at waste in a process called transmutation can speed up radioactive decay, reducing the amount of time the waste remains dangerous.
Deconstructing HBO's Pu-239 - Nov 28, 2007
Bulletin of the Atomic Scientists,...explains how US watch-painters died of cancer because they kept licking their radium-tipped paintbrushes, and uses radioactive decay as a metaphor for
Radioactivity in NV groundwater a threat - Nov 27, 2007
Water Technology Online,According to a CDC fact sheet on Po-210, Po-210 results from the natural radioactive decay of uranium, commonly found in Sierra Nevada granites.
Firms monitor selves for NORM - Nov 13, 2007
Denton Record Chronicle,...both down the hole and in the mazes of pipes and equipment connected to it, NORM can crystallize on equipment and continue its radioactive decay series,
Radon and Lung Cancer - Nov 20, 2007
InjuryBoard.com,Bob Parenti, president of the Utah Safety Council, explained that Radon is a gas brought about by decay in the soil and that radioactive decay can actually
Russellville students win radon poster contest - Nov 20, 2007
News-Democrat & Leader,It is formed by the natural radioactive decay of uranium in rock, soil and water. Naturally existing, low levels of uranium occur widely in Earth's crust.
Udall: Navajo ‘cancer-free’ before uranium - Nov 15, 2007
Gallup Independent,Uranium, itself highly toxic, gives rise to a series of other radioactive decay elements that are found in raw, natural ore. Most significant among these
New scientific riches from Integral - Nov 7, 2007
Space Fellowship,...a form of antimatter produced in various ways including radioactive decay, plasma jets around neutron stars, and probably by the decay of some varieties
The Nuclear Power Renaissance - Nov 14, 2007
SlashdotConcrete exposed to the heat from radioactive decay disintigrates. Stainless steel stresses from expansion and contraction and slowly weakens.
Enough to Make an Oilman Jealous - Nov 13, 2007
HoweStreet.com,The current belief is that the source of heat energy within the Earth is long-term radioactive decay occurring within the crust and mantle.
IEMA encourages people to test homes for radon during Lung Cancer ... - Nov 5, 2007
IGNN (press release),Radon is a colorless, odorless, tasteless radioactive gas that comes from the radioactive decay of naturally occurring uranium in the soil.
Planetary science: Isotopic lunacy - Nov 15, 2007
Nature.com (subscription),...apart from elements that would change because of radioactive decay, or through the effects of cosmic rays or the charged particles of the solar wind.
Surfer dude stuns physicists with theory of everything - Nov 15, 2007
Telegraph.co.uk,...nature: the electromagnetic force; the strong force, which binds quarks together in atomic nuclei; and the weak force, which controls radioactive decay.
Extension of ESA’s Integral and XMM-Newton missions approved - Nov 14, 2007
European Space Agency,...and has found massive stars by looking for their radioactive traces - radioactive decay gamma-ray lines from iron have been observed with the most
Students find fossils 'neat' - Nov 21, 2007
Clarksville Leaf Chronicle,Instead, many will tell you how radioactive decay feeds scientists information that is used for absolute dating. Daniel Smith was quick to recall the
Cancer-causing radon affects Utah homes, but families can test for it - Nov 4, 2007
ABC 4,Thirty percent of homes across the Wasatch Front contain Radon gas and it is a radioactive decay element of uranium found in ground soils.
Surfing the universe, part-time physicist snowboarding toward ... - Nov 18, 2007
iTWire,...the weak force (a force that controls radioactive decay), and the strong force (a force that binds together quarks in atomic nuclei).
Surfer makes waves with scientific 'theory of everything' - Nov 16, 2007
CBC News,...strong nuclear force (which binds the parts of a nucleus together), and the weak nuclear force (which allows for the radioactive decay of particles).
Depleted Uranium – Far Worse Than 9/11 - Nov 19, 2007
The People's Voice,...beta and gamma) occurring from DU and its radioactive decay products within their bodies comes to about 26 radiation events every second, or 800 million
Fridge being designed to keep Venus Rover cool - Nov 13, 2007
TopNews,...to run the Stirling cooler, about 240 watts, would be provided by on-board plutonium batteries, which generate power from the heat of radioactive decay.
Tiny radioactive particles can kill single cancer cells: study - Aug 24, 2007
CBC Ottawa,Astatine is the rarest element occurring on Earth and emits alpha particles when it goes through radioactive decay. Alpha particles are the predominant
New Cancer Weapon: Nuclear Nanocapsules - Aug 23, 2007
Science Daily (press release)Astatine, like radium and uranium, emits alpha particles via radioactive decay. Alpha particles, which contain two protons and two neutrons,
Breakthrough In Geological Dating Imminent - Aug 22, 2007
Science Daily (press release)Uranium/lead dating, one of the oldest and most refined methods, also exploits radioactive decay. However in this case the measurement is based on a
Low-energy neutrinos spotted - Aug 22, 2007
Nature.com (subscription),Russia, Germany, France and Poland, say the neutrinos match what they would expect to see from the radioactive decay of beryllium-7 in the Sun.
GIA Presents Paper on Blue Topaz Issue - Aug 22, 2007
Jewelers Circular Keystone Online,These materials are sealed within stainless steel rods for safety, and release gamma rays during radioactive decay. This form of irradiation (which must
PBMR power station construction scheduled for 2009 - Aug 9, 2007
Engineering News (press release),This is caused by radioactive decay of fission products. If this decay heat is not removed, it will heat up the nuclear fuel until its fission product
What's the truth about carbon-dating - Jul 28, 2007
Cross Rhythms,With any radioactive decay measurement, no trace of the parent atoms can be detected after ten half-lives. It follows that carbon-dating cannot be used for
Cell biology: Little helper - Aug 22, 2007
Nature.com (subscription),Earth's heat output is estimated to be around 44 terawatts, about twice that expected from radioactive decay. The difference can be attributed to cooling of
Into eternity - Aug 16, 2007
The Statesman,In 1977 they were able to provide 470 watts of 30-volt DC power, thanks to the radioactive decay of plutonium. However, by 2001 that had dropped to below
Scientists Offer 'Overwhelming' Evidence Terran Life Began in Space - Aug 14, 2007
SlashdotCan someone kindly explain to me how a comet, even with clays or clay-like crystaline minerals and some sort of low-level radioactive decay (it has to be
Kai Siegbahn, 89; Nobel-winning physicist invented electron ... - Aug 8, 2007
Los Angeles Times,As was the case in radioactive decay, their instrument improved sensitivity tenfold. During the next decade, Siegbahn also showed that the positions of the
Newfound Planet Has Earth-Like Orbit - Aug 3, 2007
Slashdot...approximately four micrometers in length, has survived for millions of years on chemical food sources that derive from the radioactive decay of minerals
IEMA joins with Illinois Broadcasters Association to encourage ... - Aug 20, 2007
IGNN (press release),Radon is a colorless, odorless, tasteless radioactive gas that comes from the radioactive decay of naturally occurring uranium in the soil.
Crystals On Meteorite Reveal Clues To Early Solar System Evolution - Aug 3, 2007
Science Daily (press release)The energy for this process was released from the radioactive decay that was present in abundance in the early solar system. What has been unclear is when
International team of researchers has detected low-energy solar ... - Aug 21, 2007
PressZoom (press release),Because radioactive decay in stray uranium, thorium or other elements can produce photons, even impurities in the materials of the detector itself could
City homes susceptible to radon gas - Jul 28, 2007
StarPhoenix,A becquerel is the unit of radioactive decay equal to one disintegration per second. "We would not anticipate that the issues are any different in Saskatoon
Leaking gases cause lunar flashes - Jul 30, 2007
USA Today...a manifestation of inert gases such as radon and argon being released from within the moon due to radioactive decay of uranium-238 and potassium K-40.
Irradiated Blue Topaz: Be Very Careful! - Jul 30, 2007
Diamond Vues,Older stock will have had radioactive decay, AGTA mentioned, and could be easier to sell or document as safe. All new imports must be clearly identified by
Lawmaker worried about LANL contamination - Jul 27, 2007
KOB.com,In July 2005, a lab worker was exposed to americium 241, a radioactive decay product of plutonium. The contamination was spread to his home,
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