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Archival recordings. Wikipedians. Wikipedia:Free sound resources. Shortcut. WP:FSR. There are a number of free sound effects resources of public domain or free content sound recordings appropriate for Wikipedia use available online, and as well as in other contexts. All files should be converted to ogg, Wikipedia's patent-free format of choice.
The SOFAR channel (short for sound fixing and ranging channel ), or deep sound channel ( DSC ), [1] is a horizontal layer of water in the ocean at which depth the speed of sound is at its minimum. The SOFAR channel acts as a waveguide for sound, and low frequency sound waves within the channel may travel thousands of miles before dissipating.
Speed of sound. The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. More simply, the speed of sound is how fast vibrations travel. At 20 °C (68 °F), the speed of sound in air is about 343 m/s (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn ), or 1 km in 2.91 s or one mile in 4.69 s.
Only this is not January 6th, 2021, but a simulation of an insurrection very much like it. In January last year, a group of former generals, senators, governors and civil servants gathered in a ...
Republican presidential candidate Donald Trump's campaign will launch a $10 million advertising blitz in six battleground states this week as it tries to counter a surge of voter enthusiasm and ...
Seniors are taking the brunt of financial fraud to the tune of $3.4B+. Learn the most common peer-to-peer, impersonation and other scams on the rise to keep your money safe.
Motion of the medium itself. If the medium is moving, this movement may increase or decrease the absolute speed of the sound wave depending on the direction of the movement. For example, sound moving through wind will have its speed of propagation increased by the speed of the wind if the sound and wind are moving in the same direction.
July 11, 2024 at 5:59 PM. Frustrations are mounting across southeast Texas as residents enter a fourth day of crippling power outages and heat, a combination that has proven dangerous – and at ...