tag:blogger.com,1999:blog-1213804399008443633.post8463682899117661335..comments2023-04-16T07:47:25.630-07:00Comments on WELCOME TO MY SCIENCE GARDEN !!!: Sound and EnergyFooYangLinghttp://www.blogger.com/profile/15697651399108230128noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-1213804399008443633.post-72579985630307648172012-12-18T05:03:00.270-08:002012-12-18T05:03:00.270-08:00From the observation, sound of aeroplane spreads o...From the observation, sound of aeroplane spreads out evenly in all direction in three dimensions.Anonymoushttps://www.blogger.com/profile/08019651421678918506noreply@blogger.com