http://www.sciencedaily.com/releases/2011/06/110613093511.htm
TanksNStuff Officer Emeritus Officer Emeritus Jun 20, 2011 #2 Having just recently gotten my scuba certification and learning all about buoyancy, this was quite interesting to me. Thanks for sharing James!
Having just recently gotten my scuba certification and learning all about buoyancy, this was quite interesting to me. Thanks for sharing James!