News tagged with hydrogen atoms

Positronium scatters like an electron

(PhysOrg.com) -- Positronium atoms have been found to scatter off gas particles in the same way as lone electrons, a finding which could help astronomers interpret some of their more puzzling observations, ...

Nov 05, 2010 report
4.9 / 5 (15) 9 | with audio podcast

The promise of ion beam cancer therapy

For certain kinds of cancer, the most effective therapy does not use x-rays or gamma rays but beams of ions, the electrically charged cores of atoms, including hydrogen ions (protons) and heavier ions such ...

Oct 19, 2010
4.4 / 5 (5) 0

Magnetic anomalies shield the Moon

Scientists have discovered a new type of solar wind interaction with airless bodies in our solar system. Magnetized regions called magnetic anomalies, mostly on the far side of the Moon, were found to strongly ...

Sep 28, 2010
5 / 5 (10) 2 | with audio podcast

Ripples in the cosmic background

(PhysOrg.com) -- The universe was created 13.73 billion years ago in a blaze of light -- the big bang. We also think that, about 380,000 years later, after matter (mostly hydrogen atoms) had cooled enough ...

Sep 07, 2010
4.6 / 5 (21) 5 | with audio podcast