contentbot@lemmy.caB to Today I Learned (TIL)@lemmy.ca · edit-22 years agoTIL the 1883 eruption of Krakotoa which killed 36,417 people was so loud it was heard 4800KM away and the sound pressure wave travelled the earth over 3 timesen.wikipedia.orgexternal-linkmessage-square4linkfedilinkarrow-up161arrow-down13file-textcross-posted to: til@lemmy.ca
arrow-up158arrow-down1external-linkTIL the 1883 eruption of Krakotoa which killed 36,417 people was so loud it was heard 4800KM away and the sound pressure wave travelled the earth over 3 timesen.wikipedia.orgcontentbot@lemmy.caB to Today I Learned (TIL)@lemmy.ca · edit-22 years agomessage-square4linkfedilinkfile-textcross-posted to: til@lemmy.ca
minus-squarexor@infosec.publinkfedilinkarrow-up3arrow-down2·2 years agopressure wave, not sound waves
minus-squareteft@lemmy.worldlinkfedilinkarrow-up20·2 years agoAnd what exactly is a sound wave if not a pressure wave?
pressure wave, not sound waves
And what exactly is a sound wave if not a pressure wave?