Dec 30, 2014 · $\begingroup$ Oren Lahav, et al. "Realization of a Sonic Black Hole Analog in a Bose-Einstein Condensate." Physical Review Letters 105, 240401 (2010). $\endgroup$ – …

May 28, 2018 · A classical wave emerges in a medium of a huge number of molecules , we cannot identify individual molecules with the frequency of the wave, the molecules are the …

Jun 11, 2015 · The smallest possible black hole that could be observed would be one with a mass on the scale of the Planck mass (~ 22 µg) and a radius on the scale of the Planck length …

Sep 27, 2021 · Think for example of a sink. If on a certain region the fluid can be made to flow faster than the speed of sound on the fluid itself, then no sound wave can escape from that …

Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …

How does a sonic black hole (or dumb hole) work? I came across this term and apparently they used sonic black holes to detect something analogous to Hawking Radiation, but I have failed …

How does a sonic black hole (or dumb hole) work? I came across this term and apparently they used sonic black holes to detect something analogous to Hawking Radiation, but I have failed …

Mar 18, 2015 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …

Sep 28, 2014 · Q&A for active researchers, academics and students of physics. Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack …

Sep 7, 2015 · A black hole is the mathematical solution to Einstein's equations of General Relativity that describes a pre-existing region of spacetime that has gravitationally collapsed …