CNN CNN Newsroom August 17, 2013 21:52:00
Scientists go back down to a single grain. >> reporter: they are menacing to look at and from the air sand storms can appear to swallow up entire cities. on the ground the sky can turn deep red making conditions treacherous. >> where are you from? >> jersey. >> reporter: what do you think? we don't get these out there. it just rains. we get the wind but we get water instead of dust. >> this is not my favorite weather. >> reporter: now scientists are going inside these monster sand storms also known as hab oos like never before. we consider that particles can collide with each other. >> they us...
Source: archive.org