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The term speedcore in reference to high tempo hardcore/gabber can be traced as far back as 1995. [7] [8] Disciples Of Annihilation coined the name of the genre with their track "NYC Speedcore". [4] Belgian artist DJ Einrich refined the sound in the late 1990s, using oscillators to transform fast kick drums into notes in octaves. [5]
Now let’s say the atria were going at 400 beats per minute, the first one conducts, then it’s 150 ms to the next one, then the next atrial beat would land at 300 milliseconds, and the av node still wouldn’t be ready yet, meaning the ventricle wouldn’t contract until the third atrial beat comes in at 450 milliseconds.
An acoustic wave is a mechanical wave that transmits energy through the movements of atoms and molecules. Acoustic waves transmit through fluids in a longitudinal manner (movement of particles are parallel to the direction of propagation of the wave); in contrast to electromagnetic waves that transmit in transverse manner (movement of particles at a right angle to the direction of propagation ...
In acoustics, acoustic dispersion is the phenomenon of a sound wave separating into its component frequencies as it passes through a material. The phase velocity of the sound wave is viewed as a function of frequency. Hence, separation of component frequencies is measured by the rate of change in phase velocities as the radiated waves pass ...
The medium in which a sound wave is travelling does not always respond adiabatically, and as a result, the speed of sound can vary with frequency. [18] The limitations of the concept of speed of sound due to extreme attenuation are also of concern.
World leaders are meeting in Paris this month in what amounts to a last-ditch effort to avert the worst ravages of climate change. Climatologists now say that the best case scenario — assuming immediate and dramatic emissions curbs — is that planetary surface temperatures will increase by at least 2 degrees Celsius in the coming decades.
Many times, he said, the doctors appeared indifferent to his son’s condition. “They just treat them and get them out of there,” he said. “That was hard for me…it tore me up. You just can’t explain how you see your son lying there and almost dying. There’s a couple times that I was really upset. I was mad at my son, really upset.
It’s perhaps Rio de Janeiro’s hardest trail, featuring one particularly daunting section requiring a perilous scramble that can cause hikers to freeze up with fright. Da Luz had been waiting ...