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Physicists restore the "black holes" in the lab with amazing simplicity



Black holes are the mysteries of the most protected universe. We all want to know what's going on in such exclusive space clubs, but the best we can do is stand outside and listen to the rhythm.

To do this, scientists accept their countries. Of course, it's not as fun as twisted pit space, but they are as close as we get to get VIP treatment at the black hole dance ground

The Black Hole Laboratory at Nottingham University in the UK is not a bona fide black hole. What she has is cloudy water, painted with a green dye and a hole to send it.

Laboratory physicists and Universidade Federal do ABC in Brazil have recently used this setting to detect wave patterns in water, rotating drainage, which can help us understand the tone of the newborn's hole dulcet.

When black holes connect and form larger black holes, the whole universe hears it: space merges with a melody called quasi-standard mode that has hints of new black hole characteristics such as its mass and angular acceleration

These modes became all physics fashions, constantly improving the gravitational wave astronomy, and physicists want to get as much detail as they can about how space crashes after these cosmic accidents

In order to extract information from a quasi-normal regime, you need to know a few things about it how energy dissipates the field and how the characteristics of certain wave models change or persist over time.

One thing that can affect wave characteristics is the curvature ̵

1; the curve of its main medium attracted by competing forces

For most simple models describing black hole fluctuations, space is thought to be a little more than a silent background through which waves which means that its vortality is usually not taken into account

. Or it may be significant.

However, we can examine cinema modes on other media and hunt for signs of interference.

Water is not necessarily a great metaphor for space time, really, but the basics only work well. Analogy is even based on the theoretical work done by Canadian physicist Bill Bill, a 40-year-old, who has proven that hydrodynamic equations are closely aligned to describe gravity in a massive enough mass.

The leakage wave on the surface tends to move faster than the current, allowing it to roll in almost any direction. But since the water flows into the black hole equivalent, it rises at speed, and its wave patterns are inappropriate

"Fluid velocity is much higher than wave speed, so waves are pulled even in the water stream when they fly in the opposite direction," Agicyte FAPESP said physicist Maurício Richartz's José Tadeu Arantesui.

When measuring fluctuations, models have emerged that have long clogged the edges of the vortex, claiming that the holes are reflective of the properties

"Our main conclusion was that some fluctuations slowed down very slowly, in other words, remained active for a long time and were in space near drainage, ”said Richartz Agência FAPESP.

"These oscillations were no longer quasormal modes, but a different model known as quasi-related states."

Scientists hope to deliberately create more of these long-lived "quasi-linked" energy statistics and, under different conditions, to explore their implications for rotating black holes

It was more than a century since Einstein's field equations have been shown to produce interesting objects called singular: strange spatial distortions that give birth to monsters

However, despite decades of research, we understand a little bit more about the black hole exposure of physics. .

Fortunately, black holes are not as silent as they are in the dark. We just have to learn how they play their music.

This study was published in Physical Review Letters .

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