[HN Gopher] Acoustic Shadow in the Civil War
       ___________________________________________________________________
        
       Acoustic Shadow in the Civil War
        
       Author : noworld
       Score  : 7 points
       Date   : 2023-04-04 11:43 UTC (1 days ago)
        
 (HTM) web link (www.nellaware.com)
 (TXT) w3m dump (www.nellaware.com)
        
       | psychphysic wrote:
       | Very cool, and plausible.
       | 
       | Yet could easily be nonsense.
       | 
       | I mean it maybe that 10 miles away it was barely audible and
       | slight sounds were not reported.
       | 
       | Yet 100 miles away every bang was attributed to the battle.
        
       | rektide wrote:
       | Arlington Cemetary has probably at least monthly 21 gun salutes,
       | via some "smaller" sizes canons or artillery. At 6:30 - 7:30 am.
       | 
       | Who hears it and how loud is extremely weather dependent.
       | Sometimes it is stunningly loud & wakes up a reasonable amount of
       | those still asleep across a huge area of DC. Often it's merely
       | noticeable across much of DC. Sometimes you really can't hear it
       | or at least have to be listening very carefully for it.
       | 
       | Quite the regular example of sound traveling in very different
       | ways depending just on weather.
        
       ___________________________________________________________________
       (page generated 2023-04-05 23:01 UTC)