Stephen Hawking theory proved right by man-made black hole
Scientists have managed to simulate their very own black hole in their lab and witnessed how it began to glow. The black hole event horizon was created by a team of physicists from the University of Amsterdam, who used a chain of atoms in a single file to gain further understanding about the behaviour of a black hole. Its creation managed to prove Stephen Hawking's theory from 1974 where the black hole emitted a rare form of radiation. Sign up to our free Indy100 weekly newsletter They studied the properties of Hawking radiation through the creation of a black hole analog in the lab. According to Science Alert, Hawking radiation happens when "particles born from disturbances in the quantum fluctuations caused by the black hole's break in spacetime." The fact that the radiation exhibits a glow itself is in a strange space anomaly, as the event horizon of a black hole is supposed to be where neither light nor matter is able to get out. We all learn about the strength of a black hole in science class – and how we would all be inevitably sucked in as a result. This is possible due to its density within a certain range of the centre, so even an attempt at travelling beyond light speed (or any velocity in the universe for the matter) would not make this unavoidable. The fake black hole event also caused a rise in temperature that matched theoretical expectations of an equivalent black hole system, - but only when part of the chain extended beyond the event horizon, Science Alert reported. As a result, it is believed perhaps this entanglement of particles that straddle the event horizon plays a big role in generating Hawking radiation. Under simulations that began by mimicking spacetime thought of as "flat," scientists say the radiation was only thermal for a certain range of 'hop amplitudes'. So there may be certain situations where Hawking radiation can emit thermally - and could only be the case where gravity causes a change in the warp of space-time. "This can open a venue for exploring fundamental quantum-mechanical aspects alongside gravity and curved spacetimes in various condensed matter settings," the scientists wrote in their paper published by Physical Review Research. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings
2023-06-29 18:19
Jaden Smith says his mum encouraged his 'first steps' into psychedelic drugs
Jaden Smith has opened up about his use of psychedelic drugs, admitting that his mother, Jada Pinkett Smith, "made the first step." Psychedelics (also known as hallucinogens) are known to produce changes in perception, mood and cognitive processes. Drugs such as LSD, DMT, ayahuasca and magic mushrooms are among the well-known psychoactive substances that often give the hallucinogenic experience. During a Psychedelic Science conference in Denver last week, the 24-year-old called the experience "profound and beautiful" and went on to suggest it helped him and his siblings get along better. Speaking about how he was introduced to psychedelics, Jaden said: "I think it was my mom actually, that was really the first one to make that step for the family." "It was just her for a really, really long time and then eventually, it just trickled and evolved, and everybody found it in their own ways," he added. Sign up for our free Indy100 weekly newsletter Jaden went on to say: "Siblings can argue so much and fight so much, and lord knows me and my siblings have done so much of that in the past. "But the level of love and empathy that I can feel for them inside of the [psychedelic] experiences and outside of the experiences has been something that’s profound and beautiful." Psychedelics are illegal in the UK but have been around since ancient times and often have mystical and spiritual associations, according to the Alcohol and Drug Foundation. They can also carry risk, like any other drug – especially if a person experiences a "bad trip." This can lead to unpredictable and, in some cases, dangerous or life-threatening behaviour. There have since been various studies into the effects of micro-dosing and mental health to see whether they positively impact the brain's serotonin receptors. However, "as a class A drug, they have the most restrictions in place," Detox Plus UK explains. "This makes it impossible and unethical for the needed research to be conducted on humans as opposed to animals." Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-06-29 17:51
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