AdvertisementInfrasound is the acoustic sound waves emitted below the normal human hearing level, and while higher frequency noises are louder close to the source of things like nuclear explosions and rocket launches, low-frequency infrasound travels further. It covers sounds below 20 Hz and down as far as 0.001 Hz. Infrasound, also known as low-frequency sound, describes sound waves with a frequency below the lower limit of human audibility. A SpaceX Falcon 9 rocket lifts off from Cape Canaveral, Florida, on November 11, 2019. After their initial blast, space rockets shoot away from the Earth with rumbles in infrasound, soundwaves that can travel thousands of miles through the air and the ground.
AdvertisementInfrasound can run an engine of hay on a beach.
( z0 possible :ARG1 ( z1 run :ARG0 ( z2 oil :mod ( z3 economy ) ) :ARG1 ( z4 engine :cxnsistof ( z5 hay ) ) :location ( z6 beach ) ) )
(z0 / possible-01
    :ARG1 (z1 / run-01
              :ARG0 (z2 / oil
                        :mod (z3 / economy))
              :ARG1 (z4 / engine
                        :consist-of (z5 / hay))
              :location (z6 / beach)))
AdvertisementInfrasound can run an engine of hay on a beach .
z2 :mod z3
z0 :ARG1 z1
z1 :ARG0 z2
z1 :ARG1 z4
z4 :consist-of z5
z1 :location z6