According to the British "Independent" reported on the 22nd, Harvard University physicists announced in January that the first metal hydrogen on the earth was created. This research has aroused widespread concern and caused some controversy. But now, due to operational errors, this metal hydrogen sample has disappeared.
Since theoretical physicists first predicted the existence of metal hydrogen in 1935, the preparation of metal hydrogen in the laboratory has become the dream of many researchers. According to theoretical predictions, with sufficient pressure to squeeze, hydrogen can obtain conductivity - the metallic state of the mark. Scientists believe that metal hydrogen may be a superconductor that can significantly improve the performance of electrical equipment, helping to create faster-running computers, next-generation electric vehicles, and better-performing rocket fuels.
On January 26 this year, the Isaac Syvera team wrote in the journal Science that they cooled the hydrogen sample to a temperature slightly above absolute zero, using diamonds at extremely high temperatures above the Earth's center. The hydrogen was compressed and a small piece of metal hydrogen was successfully obtained. This metal hydrogen sample was held between two tiny diamonds.
In a news release issued by Harvard University, Isaac said: "Preparation of metal hydrogen is the holy grail of high-pressure physics, which is the first metal hydrogen sample on Earth."
But now, when they try to measure the pressure with a low-power laser, they hear a faint "beep", indicating that one of the diamonds has broken into dust. Isaac said, "My heart sinks to the bottom." This catastrophic failure made the sample disappear. They believe that metallic hydrogen may disappear into a metal "pad" between two diamonds that is used to hold metal hydrogen; it may also become a gas at normal temperature and pressure due to instability. But some scientists say that metal hydrogen may not have been developed at all.
Isaac said that by microscopic observation, the hydrogen samples are shiny and reflect light in the way that metal hydrogen should, which means they produce metal hydrogen. However, some scientists believe that it is still unclear whether the shiny metal they observed is hydrogen. Others pointed out that this shiny metal may be alumina because the diamond is coated with a layer of alumina and alumina at high pressure. Different performances may also occur underneath. In order to convince everyone, Isaac must repeat the experiment in the same way.
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