contentbot@lemmy.caB to Today I Learned (TIL)@lemmy.ca · edit-26 months 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-square4fedilinkarrow-up160arrow-down13file-textcross-posted to: [email protected][email protected]
arrow-up157arrow-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-26 months agomessage-square4fedilinkfile-textcross-posted to: [email protected][email protected]
minus-squarexor@infosec.publinkfedilinkarrow-up3arrow-down2·6 months agopressure wave, not sound waves
minus-squareteft@lemmy.worldlinkfedilinkarrow-up20·6 months 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?