Can you feel a Pantograph? No, but elephants can!

Pantographs and Elephants are both interested in “Infrasounds”​, 0.5-20 Hz. Elephants can communicate using very low-frequency sounds, with pitches below the range of human hearing. These low-frequency sounds, termed “infrasounds,” can travel several kilometres, and provide elephants with a “private” communication channel that plays an important role in elephants’ complex social life. Their frequencies are…
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