News tagged with radioactive

The strange case of solar flares and radioactive elements

(PhysOrg.com) -- When researchers found an unusual linkage between solar flares and the inner life of radioactive elements on Earth, it touched off a scientific detective investigation that could end up protecting the lives ...

Physics / General Physics

created Aug 23, 2010 | popularity 4.9 / 5 (88) | comments 175 | with audio podcast

Radioactive decay rates vary with the sun's rotation: research

Radioactive decay rates, thought to be unique physical constants and counted on in such fields as medicine and anthropology, may be more variable than once thought.

Physics / General Physics

created Aug 31, 2010 | popularity 4.5 / 5 (41) | comments 40 | with audio podcast

Researchers create smaller and more efficient nuclear battery

(PhysOrg.com) -- Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are ...

Technology / Energy & Green Tech

created Oct 07, 2009 | popularity 4.7 / 5 (31) | comments 14

Research concludes there is no 'simple theory of everything' inside the enigmatic E8

The "exceptionally simple theory of everything," proposed by a surfing physicist in 2007, does not hold water, says Emory University mathematician Skip Garibaldi.

Physics / General Physics

created Mar 26, 2010 | popularity 4.6 / 5 (31) | comments 19 | with audio podcast

What keeps the Earth cooking?

What spreads the sea floors and moves the continents? What melts iron in the outer core and enables the Earth's magnetic field? Heat. Geologists have used temperature measurements from more than 20,000 boreholes ...

Physics / General Physics

created Jul 17, 2011 | popularity 4.6 / 5 (24) | comments 50 | with audio podcast

Probability of contamination from severe nuclear reactor accidents is higher than expected: study

Catastrophic nuclear accidents such as the core meltdowns in Chernobyl and Fukushima are more likely to happen than previously assumed. Based on the operating hours of all civil nuclear reactors and the number ...

Technology / Energy & Green Tech

created May 22, 2012 | popularity 3.7 / 5 (30) | comments 77 | with audio podcast

Antihelium-4: Physicists nab new record for heaviest antimatter

(PhysOrg.com) -- Members of the international STAR collaboration at the Relativistic Heavy Ion Collider -- a particle accelerator used to recreate and study conditions of the early universe at the U.S. Department ...

Physics / General Physics

created Apr 24, 2011 | popularity 4.7 / 5 (23) | comments 11 | with audio podcast

Researchers say galaxy may swarm with 'nomad planets'

(PhysOrg.com) -- Our galaxy may be awash in homeless planets, wandering through space instead of orbiting a star.

Space & Earth / Astronomy

created Feb 23, 2012 | popularity 4.3 / 5 (23) | comments 31 | with audio podcast

Physicists hunt for a trace of the elusive, invisible geoneutrino

Princeton University proclaimed this month that some of its physicists had helped discover an invisible particle known as a geoneutrino.

Physics / General Physics

created Jul 26, 2010 | popularity 4.9 / 5 (20) | comments 4

First measurement of magnetic field in Earth's core

(PhysOrg.com) -- A University of California, Berkeley, geophysicist has made the first-ever measurement of the strength of the magnetic field inside Earth's core, 1,800 miles underground.

Space & Earth / Earth Sciences

created Dec 16, 2010 | popularity 4.9 / 5 (19) | comments 10 | with audio podcast

Chemists find new material to remove radioactive gas from spent nuclear fuel

(PhysOrg.com) -- Research by a team of Sandia chemists could impact worldwide efforts to produce clean, safe nuclear energy and reduce radioactive waste.

Chemistry / Materials Science

created Jan 24, 2012 | popularity 4.5 / 5 (19) | comments 13 | with audio podcast

Scientists call for a global nuclear renaissance in new study

Scientists outline a 20-year master plan for the global renaissance of nuclear energy that could see nuclear reactors with replaceable parts, portable mini-reactors, and ship-borne reactors supplying countries with clean ...

Technology / Energy & Green Tech

created Aug 12, 2010 | popularity 4.5 / 5 (19) | comments 38 | with audio podcast

IceCube neutrino observatory nears completion

In December 2010, IceCube -- the world's first kilometer-scale neutrino observatory, which is located beneath the Antarctic ice -- will finally be completed after two decades of planning. In an article in ...

Physics / General Physics

created Aug 31, 2010 | popularity 4.7 / 5 (18) | comments 9 | with audio podcast

Incredible shrinking moon is revealed by the Lunar Reconnaissance Orbiter

The Lunar Reconnaissance Orbiter is revealing previously undetected landforms that indicate the moon is shrinking. The findings are reported in a paper, "Evidence of Recent Thrust Faulting on the Moon Revealed ...

Space & Earth / Space Exploration

created Aug 19, 2010 | popularity 4.3 / 5 (18) | comments 4 | with audio podcast

Silver tells a volatile story of Earth's origin: Water was present during its birth

Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled beginning 4.568 billion years ago. The new ...

Space & Earth / Earth Sciences

created May 13, 2010 | popularity 4.1 / 5 (19) | comments 5 | with audio podcast