Description

Lightning produces many phenomena, but one is pops, clicks, and whistles in the radio frequencies. Learn why, how, and what the upper atmosphere has to do with it!

• Listen to a Whistler
• Listen to Sferics
• Radio Jove

Fun Paper Friday

• Should there be speed bumps that say "rate your pain" at the entrance to the emergency room? These authors say it could be useful!
• Ashdown, Helen F., et al. "Pain over speed bumps in diagnosis of acute appendicitis: diagnostic accuracy study." Bmj 345 (2012).