News tagged with nuclear fusion

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Try failed stars for alien life

The search for alien life usually focuses on planets around other stars. But a lesser-known possibility is that life has sprung up on planets that somehow were ejected from their original solar systems and ...

Mar 31, 2011
3.8 / 5 (5) 1 | with audio podcast

Giant stars reveal inner secrets for the first time

(PhysOrg.com) -- University of Sydney astrophysicists are behind a major breakthrough in the study of stars known as red giants, finding a way to peer deep into their cores to discover which ones are in ear ...

Mar 31, 2011
4.4 / 5 (7) 26

Superconductors face the future

Futuristic ideas for the use of superconductors, materials that allow electric current to flow without resistance, are myriad: long-distance, low-voltage electric grids with no transmission loss; fast, magnetically ...

Sep 10, 2010
4.9 / 5 (12) 0 | with audio podcast

Origin of Key Cosmic Explosions Still a Mystery

(PhysOrg.com) -- When a star explodes as a supernova, it shines so brightly that it can be seen from millions of light-years away. One particular supernova variety - Type Ia - brightens and dims so predictably ...

Jul 12, 2010
4.5 / 5 (12) 7 | with audio podcast

Researchers Shed Light on Birth of the First Stars

(PhysOrg.com) -- In the beginning, there were hydrogen and helium. Created in the first three minutes after the Big Bang, these elements gave rise to all other elements in the universe. The factories that ...

Jul 01, 2010
4.7 / 5 (14) 4 | with audio podcast

The Coolest Stars Come Out of the Dark

(PhysOrg.com) -- Astronomers have uncovered what appear to be 14 of the coldest stars known in our universe. These failed stars, called brown dwarfs, are so cold and faint that they'd be impossible to see ...

Jun 24, 2010
4.8 / 5 (10) 5 | with audio podcast

N.Korea boasts success in nuclear fusion

North Korea on Wednesday claimed it had carried out a nuclear fusion reaction that could lead to a limitless supply of clean energy -- a process that the world's scientists have so far yet to achieve.

May 12, 2010
2.2 / 5 (13) 28