- Will Krakatoa ever erupt again?
- Can we create 1100 dB sound?
- What is the loudest car in the world?
- Can sperm whale sound kill?
- How loud was Krakatoa 1883?
- What happens if you make a sound louder than 1100 dB?
- How loud is a nuke?
- What is the 3dB rule?
- Can silence kill you?
- Why was Krakatoa so loud?
- Can a loud sound kill you?
- What is the loudest thing in the universe?
- How loud can a human yell?
- Why is Krakatoa dangerous?
- What frequency can kill you?
- Can sound kill bacteria?
- What was the loudest sound ever recorded?
- Why is 194 dB the loudest sound possible?
- Can humans create a black hole?
- How many decibels is a fart?
- What is the loudest animal in the world?
Will Krakatoa ever erupt again?
Less than two years after an eruption that triggered a deadly tsunami, Indonesia’s Anak Krakatau volcano is putting on a display once again.
Webcam and satellite footage captured the eruption that started Friday night, sending lava and rock skyward after a period of relative calm..
Can we create 1100 dB sound?
It’s not possible as a continuous sound in air because the maximum overpressure is double atmospheric, with the troughs a vacuum, which works out at 194 decibels. The answer is unfeasibly loud, and no, it can’t create a black hole that big. At 1100 db it creates a 5 kg black hole with the same volume as a neutron.
What is the loudest car in the world?
Ferrari Enzo- Decatted Ferrari Enzo! (revs, accelerations and sounds)
Can sperm whale sound kill?
Sperm Whales Are So Loud They Could Potentially “Vibrate” You to Death. Sperm whales are so loud that their clicks are capable of killing a human within their vicinity, says one science and adventure journalist. … Sperm whales are the loudest mammals on the planet, with vocalizations reaching an astonishing 230 decibels.
How loud was Krakatoa 1883?
172 decibelsThe Krakatoa explosion registered 172 decibels at 100 miles from the source. This is so astonishingly loud, that it’s inching up against the limits of what we mean by “sound.” By 1883, weather stations in scores of cities across the world were using barometers to track changes in atmospheric pressure.
What happens if you make a sound louder than 1100 dB?
Apparently, a sound of 1,100 decibels would create so much energy, it would act as a immensely high quantity of mass. This would, in turn, create enough gravity to form an extremely large black hole! Larger, in fact, than our observable universe.
How loud is a nuke?
A nuclear bomb. Decibel meters set 250 feet away from test sites peaked at 210 decibels. The sound alone is enough to kill a human being, so if the bomb doesn’t kill you, the noise will.
What is the 3dB rule?
3dB rule when measuring noise at work When you measure noise levels with a noise meter, you measure the intensity of noise in units called decibels, expressed as dB(A). … It is based on orders of magnitude, rather than a standard linear scale, so each mark on the decibel scale is the previous mark multiplied by a value.
Can silence kill you?
It can’t be seen or heard; can take place indoors or outside; it’s not biological, environmental or radiation, but it can make you sick or kill. Your body reacts to sound, a train or plane passing by or your being too close to speakers can cause your body to shudder. …
Why was Krakatoa so loud?
In general, sounds are caused not by the end of the world but by fluctuations in air pressure. A barometer at the Batavia gasworks (100 miles away from Krakatoa) registered the ensuing spike in pressure at over 2.5 inches of mercury. That converts to over 172 decibels of sound pressure, an unimaginably loud noise.
Can a loud sound kill you?
The general consensus is that a loud enough sound could cause an air embolism in your lungs, which then travels to your heart and kills you. … High-intensity ultrasonic sound (generally anything above 20KHz) can cause physical damage.
What is the loudest thing in the universe?
Greg Salvesen. As far as I’m aware, the Perseus galaxy cluster is the current record holder for the loudest sound discovered in the Universe.
How loud can a human yell?
Human screams can be quite loud, possibly exceeding 100 dB (as of March 2019, the world record is 129 dB!) —but you probably want to avoid that because screams that loud can hurt your ears! You should also have found sound levels drop off quickly as you get farther from the source.
Why is Krakatoa dangerous?
At Anak Krakatau, a large, rapidly sliding mass that struck the water led to the tsunami. These types of events are usually difficult to predict as most of the sliding mass is below water level. These volcanic landslides can lead to major tsunamis.
What frequency can kill you?
Sounds around 19 hz match the resonant frequency of the human eyeball, with reports of apparitions as detailed by the Coventry Telegraph newspaper. The most dangerous frequency is at the median alpha-rhythm frequencies of the brain: 7 hz. This is also the resonant frequency of the body’s organs.
Can sound kill bacteria?
“Sonication is an alternative technology that uses ultrasound waves of frequency 20,000 hertz or greater to kill bacteria in food.” He said a high frequency sound wave’s energy (vibration) is capable of shaking apart bacterial cells like an opera singer shattering wine glasses.
What was the loudest sound ever recorded?
At 10:02 a.m. on August 27, Krakatoa erupted with a sound that is, to date, considered the loudest sound ever clocking in at 310 decibels. For reference, the sound from the atomic bombs dropped on Hiroshima and Nagasaki were 248 decibels.
Why is 194 dB the loudest sound possible?
Strictly speaking, the loudest possible sound in air, is 194 dB. The “loudness” of the sound is dictated by how large the amplitude of the waves is compared to ambient air pressure. … Essentially, at 194 dB, the waves are creating a complete vacuum between themselves.
Can humans create a black hole?
Creating microscopic black holes using particle accelerators requires less energy than previously thought, researchers say. … Any such black holes would pose no risk to Earth, however, scientists added. Black holes possess gravitational fields so powerful that nothing can escape, not even light.
How many decibels is a fart?
80 decibels“But who would want to hear it?” Meanwhile, the volume of sound is measured in decibels. “The different uses of ‘decibels’ in audio can get complicated,” Parker continues, but for simplicity’s sake, he says the average fart likely falls around 80 decibels of SPL, or sound pressure level.
What is the loudest animal in the world?
Blue whalesThe blue whale is the loudest mammal of them all, with vocalizations that reach 188 decibels. Blue whales don’t have songs as complex as those of humpback whales, but their low-frequency “pulses”—some below the range of human hearing—have been recorded more than 500 miles (805 kilometers) away.