Red tide spawns blue light show at night on San Diego coastline
Friday, September 30, 2011 - 00:30
in Astronomy & Space
Algae blooming since late August have turned the waters brownish red in the daytime. At night, waves trigger flashes of blue light. The light show has been dazzling visitors this week, but experts don't know how long it'll last.Find a dark spot on the San Diego County coastline after nightfall and you might be treated to a spectacular neon-blue light show.