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Almost extreme black holes trying to regrow hair become bald again

An artist's idea of ​​a spinning black hole with accretionary flow and a jet. Picture credits: NASA / JPL-Caltech Black holes & # 39; have no hairs & # 39 ;: No attributes with which they can be distinguished from each other. Extreme black holes (rotating at maximum speed) may have one additional property, permanent hair, which consists of a …

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Tubular-inspired ultra-hard polymers are full of holes, but they prevent bullets that are better than solid materials

Tubular polymer structures made at Rice University were better able to cope with the impact of a sphere than the bottom right polymer reference cube. The sphere stopped approximately in the second layer of tubule structures and no significant structural damage was observed outside this layer. Spheres fired at the same speed broke the entire reference cube. Image credits: Jeff …

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Interstellar Anniversary: ​​What we have learned since then about black holes

The Hollywood blockbuster "Interstellar" by director Christopher Nolan just celebrated his fifth birthday. In the film, Matthew McConaughey plays an astronaut who travels to the supermassive black hole called Gargauntua. To make "Interstellar" scientifically correct, Nolan commissioned physicist Kip Thorne to provide the most realistic representation of a black hole. However, since the release of the film, scientists have learned …

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Massive spinning black holes could be the result of "Pac-Man-like" fusions

This is a simulation of an accretion disk surrounding a supermassive black hole. Credit: Scott C. Noble Scientists have reported that they have discovered gravitational waves of 10 black holes mergers to date, but they still try to explain the origins of these mergers , The largest concentration ever identified appears to defy earlier models as it has a higher …

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According to US investigators, Uber had security holes in a deadly crash

Image Rights Reuters According to US security researchers, a self-propelled Uber test vehicle that met and killed a woman in 2018 had software problems. Elaine Herzberg, 49, was hit by the car when she crossed a road in Tempe, Arizona. The US National Transportation Safety Board (NSTB) found that the car did not properly identify it as a pedestrian. The …

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New class of small black holes discovered in the Milky Way

The black holes discovered by scientists are located in a certain area of ​​the mass: about five to fifteen times that of our sun. However, this area of ​​mass could exist because of the methods that scientists currently use to detect black holes. In a new article published in Science researchers describe a new method for finding black holes. Scientists …

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Astronomers may have discovered a new class of tiny black holes

Have astronomers found a new class of tiny black holes? Jackson Ryan / CNET Black holes are the cosmic masters of hiding. Einstein predicted that they existed in 1916, but it took over 100 years for a telescope to be as far as the world made the first picture of a black hole. They are elusive beasts that can not …

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Astronomers find evidence of small black holes hiding in sight

Ohio State University researchers have published a new study describing the possible existence of a new class of black holes smaller than the currently known black hole in the universe. The discovery of a new class would help astronomers in their mission to find and catalog black holes, ultimately improving our understanding of the universe around us. Black holes are …

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There could be a new class of black holes, scientists say

According to one study, there could be a whole new class of black holes that scientists knew nothing about. The study, published in Science on Thursday, revealed a new way for astronomers to search for black holes, and that there could be an entire group of black holes smaller than the smallest black holes in the universe. "We show this …

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