News tagged with cross section

Physicists find that an ultrahigh-energy proton looks like a black disk

(PhysOrg.com) -- What does a proton look like? The common answer to this question is that protons are much too small to scatter light, and since light is necessary for us to see things, protons do not “look” ...

Physics / General Physics

created Dec 08, 2011 | popularity 4.5 / 5 (24) | comments 43 | with audio podcast feature

Scientists See Smallest-Ever Square Nanotube

(PhysOrg.com) -- Scientists have observed the smallest reported nanotube that has a square cross-section. The structure formed spontaneously and unexpectedly when silver nanowires were stretched and is a reminder ...

Nanotechnology / Nanophysics

created Feb 20, 2009 | popularity 4.6 / 5 (14) | comments 1 feature