News tagged with particle radiation

Exploring the secrets of dark matter

Even the biggest Star Trek fan would probably have trouble understanding the technical details of the research done by Queen's University Particle Astrophysics Professor Wolfgang Rau of Kingston, Canada.

Feb 18, 2010
3.8 / 5 (9) 7 | with audio podcast

Flipping a photonic shock wave

A team of physicists has directly observed a reverse shock wave of light in a specially tailored structure known as a left-handed metamaterial. Although it was first predicted over forty years ago, this is ...

Nov 02, 2009
4.2 / 5 (5) 1

Do dust particles curb climate change?

(PhysOrg.com) -- A knowledge gap exists in the area of climate research: for decades, scientists have been asking themselves whether, and to what extent man-made aerosols, that is, dust particles suspended ...

Oct 06, 2009
4.6 / 5 (5) 4

A Theory of Dark Matter

Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."

Sep 08, 2009
3.6 / 5 (45) 56

Simple Explanation for Mysterious Observations

Recently, several astronomical experiments have revealed mysterious components of elementary particles. But up until now, the origin of electrons and positrons is unknown. Is dark matter the actual origin of this radiation, ...

Aug 18, 2009
4.4 / 5 (13) 5

The MAGIC-II Telescope is ready to team up

(PhysOrg.com) -- Together with the MAGIC-I telescope, MAGIC-2 allows stereoscopic observations using these two largest gamma-ray telescopes. Astronomers can explore sources of very-high energy gamma rays. ...

Apr 15, 2009
4.5 / 5 (2) 0