US Coast Guard releases recording that appears to be audio of Titanic submersible implosion
A recording released by the federal government appears to include audio of the implosion of the experimental submersible that ...
Found And Explained on MSN11h
The Quiet Concorde - Supersonic Spike S-512 - No Sonic Boom, No Problem!
One of the biggest problems facing supersonic aircraft today is the sonic boom issue. Once an airplane goes fast enough, the noise of breaking the sound barrier at best is annoying but, at worse, ...