learnintoplay62
Senior Member
I read this over at AGF and found it really interesting how the sound waves chose different parts on the top.
http://www.bbc.co.uk/news/science-environment-13573631
OK , lets here it from the more experienced :wink:
http://www.bbc.co.uk/news/science-environment-13573631
OK , lets here it from the more experienced :wink: