A new way to visualize General Relativity

2024/05/0323:18:04 science 2911166

A new way to visualize General Relativity - DayDayNews

A new way to visualize General Relativity - DayDayNews

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How cold is space, and does it drop to absolute zero? What would happen if you fell in without a spacesuit? While science fiction movies would have us believe that space is very cold — even very cold — space itself is not entirely cold. In fact, it actually has no temperature at - DayDayNews

How cold is space, and does it drop to absolute zero? What would happen if you fell in without a spacesuit? While science fiction movies would have us believe that space is very cold — even very cold — space itself is not entirely cold. In fact, it actually has no temperature at

How cold is space? The physics behind the temperature of the universe

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In 2022, the application practice of Metaverse technology has entered a period of exploration. Technological breakthroughs and business model innovations are emerging one after another, and a large number of "Metaverse+" concepts have emerged. Guangdong took the lead in the count - DayDayNews

In 2022, the application practice of Metaverse technology has entered a period of exploration. Technological breakthroughs and business model innovations are emerging one after another, and a large number of "Metaverse+" concepts have emerged. Guangdong took the lead in the count

What changes will "Metaverse + Agriculture" bring? Jiangsu Agricultural Yuanshi Innovation Forum was held in Ningxia

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Authors and institutions: Professor Ding Sheng, Assistant Researcher Liu Kang, and Associate Researcher Ma Tianhua from the School of Pharmacy, Tsinghua University are the co-corresponding authors of the paper. Professor Ding Sheng’s research group, Hu Yanyan, Yang Yuanyuan, and - DayDayNews

Authors and institutions: Professor Ding Sheng, Assistant Researcher Liu Kang, and Associate Researcher Ma Tianhua from the School of Pharmacy, Tsinghua University are the co-corresponding authors of the paper. Professor Ding Sheng’s research group, Hu Yanyan, Yang Yuanyuan, and

Tsinghua team discovers for the first time a magical potion for the directed induction and stable culture of totipotent stem cells in vitro

06/07 1911

The unforgettable first node appeared on June 16, 2020. After nearly two years of countless failed experiments, they finally saw the experimental results at the beginning of this article. - DayDayNews

The unforgettable first node appeared on June 16, 2020. After nearly two years of countless failed experiments, they finally saw the experimental results at the beginning of this article.

Sichuan University team prepares platelet membrane-coated implantable device to avoid immune system attack

06/08 1500

The first tree king in Jinling is called Tilia Nanjing. Do you also know the stories behind the tree species named after "Nanjing"? Li Mei, deputy director of the Horticulture Science Center of Nanjing Zhongshan Botanical Garden, introduced that Nanjing linden, Nanjing willow, an - DayDayNews

The first tree king in Jinling is called Tilia Nanjing. Do you also know the stories behind the tree species named after "Nanjing"? Li Mei, deputy director of the Horticulture Science Center of Nanjing Zhongshan Botanical Garden, introduced that Nanjing linden, Nanjing willow, an

Nanjing lime, Nanjing beauty, Nanjing red... Do you know these trees named after "Nanjing"?

06/08 1925

The laboratory of the Beijing Center for Disease Control and Prevention conducted genetic sequencing on the specimens of the three infected persons reported on July 5. The results showed that the viruses all belong to the BA.5.2 branch of the Omicron variant. Gene sequence compar - DayDayNews

The laboratory of the Beijing Center for Disease Control and Prevention conducted genetic sequencing on the specimens of the three infected persons reported on July 5. The results showed that the viruses all belong to the BA.5.2 branch of the Omicron variant. Gene sequence compar

Will Omicron BA.4/5 become the most transmissible respiratory virus?

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What is the core asset of the laboratory? The laboratory scenes are of course biological samples. They are the objects of laboratory scientific research, and their safety means the safety of experimental data. Once the laboratory loses power or the instrument malfunctions, the sa - DayDayNews

What is the core asset of the laboratory? The laboratory scenes are of course biological samples. They are the objects of laboratory scientific research, and their safety means the safety of experimental data. Once the laboratory loses power or the instrument malfunctions, the sa

Have you ever seen a liquid nitrogen tank that automatically sprays liquid nitrogen?

06/07 1874

During the annual lychee season, lychees must have a place in the list of summer fruits! Did you notice it when you were eating lychees? Sometimes I open the lychee stem and find it is black? At this time, should you choose to throw it away or eat it? (Telling you secretly, the e - DayDayNews

During the annual lychee season, lychees must have a place in the list of summer fruits! Did you notice it when you were eating lychees? Sometimes I open the lychee stem and find it is black? At this time, should you choose to throw it away or eat it? (Telling you secretly, the e

It turns out that the lychees I have eaten for so many years are all worm excrement lychees.

06/07 1889

As we all know, since humans have known about the universe, they have always wanted to explore its mysteries. At present, the scientific community generally believes that the earth will not be the only oasis in the universe. After all, the vastness of the universe is beyond our i - DayDayNews

As we all know, since humans have known about the universe, they have always wanted to explore its mysteries. At present, the scientific community generally believes that the earth will not be the only oasis in the universe. After all, the vastness of the universe is beyond our i

Astronaut encounters aliens in space, tells the story of the origin of intelligent life and the cause of the universe, shocking the world

06/07 1206

The complexity of the universe is endless. Therefore, to say that there are no aliens is to say that there is nothing wrong with your brain. Unfortunately, although we all believe in aliens, most of us have never seen them. - DayDayNews

The complexity of the universe is endless. Therefore, to say that there are no aliens is to say that there is nothing wrong with your brain. Unfortunately, although we all believe in aliens, most of us have never seen them.

An alien spacecraft crashed to the ground, and Chinese characters were found on it. Are the descendants of Yan and Huang the chosen people?

06/06 1104

Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943. - DayDayNews

Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943.

An increase of 161,000 cases! New variant of COVID-19 detected in Europe! Fuel subsidy launched in October! France plans to limit property tax increases! Pasta and meat prices are going crazy

06/10 1662

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca. - DayDayNews

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.

Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction

06/10 1171

The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast - DayDayNews

The metallurgical industry in the Qing Dynasty exceeded the level of the mid-Ming Dynasty. According to statistics from the Geological Survey, the national output of iron smelting by the old method was more than 170,000 tons in 1919, and the output of iron in the late Qing Dynast

Cold Knowledge of the Qing Dynasty - Metallurgical and Machinery Manufacturing Achievements of the Qing Dynasty

06/10 1613

As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int - DayDayNews

As we said before, oracle bones are keel bones and belong to the fossil category. So the first question is, did these fossils appear first and then people carved them on them, or did people find these bones first and carve words on them, and then these bones gradually evolved int

"Quest Files" Unsolved Mysteries of the World - The Black-Headed Man from the East 2

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In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw - DayDayNews

In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw

An Appointment in the Starry Sky | Exploring the evolution of binary stars. Scientists found direct evidence of shared envelope evolution for the first time

06/10 1930

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing. - DayDayNews

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.

From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life

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Recently, the title "Gu Zhao" appeared in a costume drama set in the Song Dynasty, which caused many people to argue. For this reason, Qingtong specially searched for a lot of historical data and smoothed out the origin of the surname from ancient times to Han Dynasty. The conflu - DayDayNews

Recently, the title "Gu Zhao" appeared in a costume drama set in the Song Dynasty, which caused many people to argue. For this reason, Qingtong specially searched for a lot of historical data and smoothed out the origin of the surname from ancient times to Han Dynasty. The conflu

Was there such a title as Gu Zhao in the Song Dynasty? Regarding the issue of using one’s husband’s surname, most people have been deceived.

06/10 1999

Lai Cheok-hoon demonstrates the operation of the wooden floor-standing camera. Lai Cheok-hoon (right) and his son Le Bao-quan use the tool box to repair negatives by hand. The treasure of the store - the wooden floor-standing camera. Scan the QR code to listen to "Uncle Li" tell - DayDayNews

Lai Cheok-hoon demonstrates the operation of the wooden floor-standing camera. Lai Cheok-hoon (right) and his son Le Bao-quan use the tool box to repair negatives by hand. The treasure of the store - the wooden floor-standing camera. Scan the QR code to listen to "Uncle Li" tell

The old photo studio that "travels back and forth" in 1987

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Environmental pollution can cause direct damage and impact to the ecosystem, such as desertification and forest destruction, and can also cause indirect harm to the ecosystem and human society. Sometimes the harm of this indirect environmental effect is greater than the direct ha - DayDayNews

Environmental pollution can cause direct damage and impact to the ecosystem, such as desertification and forest destruction, and can also cause indirect harm to the ecosystem and human society. Sometimes the harm of this indirect environmental effect is greater than the direct ha

Portable CO Analyzer Instructions for Use

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In the early morning of July 8th, Beijing time, the first Wimbledon championship title this year was produced. In the mixed doubles final, the combination of the tournament's No. 2 seeds Skapski/Krawczyk defeated Eboden/Eboden in straight sets. Stosur successfully defended his ti - DayDayNews

In the early morning of July 8th, Beijing time, the first Wimbledon championship title this year was produced. In the mixed doubles final, the combination of the tournament's No. 2 seeds Skapski/Krawczyk defeated Eboden/Eboden in straight sets. Stosur successfully defended his ti

6-4, 6-3! The first Wimbledon crown is produced: the No. 2 seed combination swept the trophy and successfully defended the title

06/10 1541

Cristiano Ronaldo has become the focus of world football again in the past two days. Just one season after returning to Manchester United, the Portuguese star plans to leave the team and start a new adventure. Just as Cristiano Ronaldo continues to attract media attention, the la - DayDayNews

Cristiano Ronaldo has become the focus of world football again in the past two days. Just one season after returning to Manchester United, the Portuguese star plans to leave the team and start a new adventure. Just as Cristiano Ronaldo continues to attract media attention, the la

Goodbye, Paris! Messi may return to Barcelona, Xavi approves, partner Lewandowski for the Champions League

06/10 1713

Although they are still fighting with the Nets, there are various signs that Irving's trade negotiations have not affected the Lakers' overall offseason strategy. It is reported that the Lakers have recently completed a number of transactions, including Jones, Troy Brown, Anderso - DayDayNews

Although they are still fighting with the Nets, there are various signs that Irving's trade negotiations have not affected the Lakers' overall offseason strategy. It is reported that the Lakers have recently completed a number of transactions, including Jones, Troy Brown, Anderso

31 points + 13 rebounds in a single game. In fact, even without Westbrook, the Lakers' new aid is still capable of defeating Ayton.

06/10 1242