![]() ![]() Such focusing may also result from refraction effects caused by variations in atmospheric sound and wind speed. This effect is known as sonic boom focusing. "Under certain aircraft operating conditions (e.g., acceleration, dives, turns, and climbs), the sonic boom conoids generated by the aircraft may intersect one another.Aircraft actually produce two booms, but they usually arrive so close together that they're indistinguishable.Atmospheric conditions like temperature inversions and calm surface winds can make sound propagate farther than normal.Atmospheric events are difficult to detect with seismographs because they usually transfer very little seismic energy into the ground.Most sonic booms aren't felt on land (most supersonic training flights are out over the ocean).In most cases, the best result is to have someone confirm that there were planes in the area that "might have gone supersonic." Some Interesting Facts About Sonic Booms This last step is most likely to happen if the media and the public are sufficiently persistent in asking about it. The final step is that someone with sufficiently high rank in the military announces that one or some of their planes were in the area. A very small earthquake or cavity collapse such as a rockfall in a cave also produces very small signals on the seismogram, but they tend to look quite different and the felt reports tend to be from a small focused area instead of over a wide area. On the other hand, bolides are often reported as very bright lights in the sky along with the sound and ground motion. The artillery fire isn't generally as loud as a sonic boom and is not observed over such a wide area. Reports of a bang or boom is somewhat of a clue, although shallow earthquakes often sound like booms or bangs, so that is not an ironclad indicator.įrom just those points alone, we can be pretty sure that it is some kind of atmospheric source, such as a sonic boom, artillery fire or something like a meteorite or bolide explosion. The next clue is that the felt reports come from a very wide area, typical of a fairly big earthquake, but there is no such event on our records. On rare occasions, we see the signal on multiple stations, and the move-out, or time difference, matches the speed of sound in air, which is much slower than the speed of seismic waves in rock. Sonic booms aren’t always recorded on seismic instruments, but when they are, this is how we identify and confirm that the signal is a sonic boom rather than an earthquake.įirst, we either see nothing or see a fairly short high-frequency signal on our records that does not look like an earthquake. ![]() Despite not being canon to the Sonic franchise in any way, X is still placed in the Prime Universe.How Can You Tell the Difference Between a Sonic Boom and an Earthquake on a Seismogram?.He joins his creator on his team of villains to rid the multiverse of Sonic the Hedgehog. X has a strong relationship with villains, especially since he was created by Dr. Sonic's Bio-data: X copies Sonic's appearance by collecting his bio-data, allowing him to be an exact copy of Sonic on the outside.Manipulation: Sonic.EXE can manipulate it's victims by making them hallucinate horrible "games".Hacking: X can hack any electronic device in a given radius.Sonic.EXE is a very dangerous variation of the original Sonic the Hedgehog, threatening and killing victims instead of saving their lives. It deliberately chooses to make said games virtually impossible, claiming it fun to watch his victims squirm in desperation before closing in for the kill. X loves to play games, & those games always end in the death of it's victims. Beyond the corruption of electronics, the virus has developed it's own twisted take on Sonic's personality, & uses it's abilities to trap the minds of living beings into a digitized world of it's own creation. The virus was given bits of Sonic's bio-data & now takes on the Blue Blur's appearance, powered by Eggman's knowledge & Chaos Energy. Eggman meant to corrupt any & all electronic systems within a given radius, blacking them out & turning them against any number of targets. One of such projects is X a virus created by Dr. Unfortunately not all of those ideas had reached total realization before Sonic & the Resistance struck back with brute vigor & force. Eggman's most recent attempt to take over Sonic's planet had many stages to it's development, & many projects developed to ensure a long & continuous rule once Sonic was defeated. However, this had little to no realization.ĭr. Before the Resistance had intefered with Eggman's plans, Robotnik created a computer virus named X (or Sonic.EXE) that corrupts electronical devices in any radius.
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