We may have accidentally formed a protective bubble around Earth | Popular Science
http://www.popsci.com/radio-wave-shield-space-weather?src=SOC&dom=fb This is interesting if true. This is not the first I have heard EM signals from earth affecting ionosphere. When the Navy wants to send a message to an underwater submarine, it sometimes uses very low frequency (VLF) radio waves. Some end up in space and according to a new report, they may be forming a →