Was The Universe Born From Nothing?

2024/04/0720:00:05 science 4703040

Was The Universe Born From Nothing? - DayDayNews

Was The Universe Born From Nothing? - 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

06/07 1950

Pretty boy, do you know? The earth is currently undergoing the "Sixth Mass Extinction". Even though there are 7.6 billion people in the world, this only accounts for 0.01% of the total biological mass. However, we have single-handedly killed 83% of the known species. Wild mammals - DayDayNews

Pretty boy, do you know? The earth is currently undergoing the "Sixth Mass Extinction". Even though there are 7.6 billion people in the world, this only accounts for 0.01% of the total biological mass. However, we have single-handedly killed 83% of the known species. Wild mammals

How terrible are humans? The sixth mass extinction of organisms is coming quietly, and the evil behind it is revealed

06/07 1123

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

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

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

According to the official WeChat message of the Lunar Exploration and Aerospace Engineering Center, the lunar rover and lander of the Chang'e-4 mission "Yutu 2" completed sleep settings at 19:14 on July 5 and 6:00 on July 6 respectively, completing the 44th It works during the da - DayDayNews

According to the official WeChat message of the Lunar Exploration and Aerospace Engineering Center, the lunar rover and lander of the Chang'e-4 mission "Yutu 2" completed sleep settings at 19:14 on July 5 and 6:00 on July 6 respectively, completing the 44th It works during the da

Chang'e-4 completed its 44th lunar day work and entered its 44th lunar night sleep

06/06 1681

The wind of the Yuan Universe also blew into the Year of the Tiger Spring Festival Gala, and became the "Getting Rich" in the Spring Festival Gala program. In this year's Spring Festival Gala skit "Not Yet", Shen Teng said, "I am a dog in the metaverse." This pushed the metaverse - DayDayNews

The wind of the Yuan Universe also blew into the Year of the Tiger Spring Festival Gala, and became the "Getting Rich" in the Spring Festival Gala program. In this year's Spring Festival Gala skit "Not Yet", Shen Teng said, "I am a dog in the metaverse." This pushed the metaverse

What is the Metaverse and why does the Metaverse appear?

06/07 1684

#真知新ordinate# Water hyacinth is both good and evil. I applaud the water hyacinth. The flowers of this water devil are a bit beautiful. It was once known as "the lavender corolla that beautifies the world". It actually tastes like cabbage. You’ve heard of water hyacinth, but have - DayDayNews

#真知新ordinate# Water hyacinth is both good and evil. I applaud the water hyacinth. The flowers of this water devil are a bit beautiful. It was once known as "the lavender corolla that beautifies the world". It actually tastes like cabbage. You’ve heard of water hyacinth, but have

Don’t misunderstand water hyacinth anymore. It blooms really beautifully and tastes like cabbage.

06/08 1677

In the eyes of many people, "alien" and "alien civilization" are synonymous with advanced civilization, and their civilization is much higher than human civilization. In many science fiction novels and movies, this point is particularly prominent. Aliens always appear to be omnip - DayDayNews

In the eyes of many people, "alien" and "alien civilization" are synonymous with advanced civilization, and their civilization is much higher than human civilization. In many science fiction novels and movies, this point is particularly prominent. Aliens always appear to be omnip

Fears that aliens visiting Earth will wipe out human civilization may be unfounded

06/07 1641

The proposal of dual carbon targets has not only made new energy industries such as electric vehicles and hydrogen fuel vehicles soar, but also provided scientists with a research topic, that is, how to turn carbon dioxide into waste through new technologies to achieve carbon red - DayDayNews

The proposal of dual carbon targets has not only made new energy industries such as electric vehicles and hydrogen fuel vehicles soar, but also provided scientists with a research topic, that is, how to turn carbon dioxide into waste through new technologies to achieve carbon red

New applications for solar energy! Michigan professor proposes new process to use CO2 and water to prepare chemical fuels to achieve carbon reduction goals

06/07 1010

[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment... - DayDayNews

[Source: Shunyi Ecological Environment] Ubiquitous plastic products have facilitated people's lives, but the resulting plastic waste has caused a lot of pollution to the ecological environment...

"Popular Science" "Degradable Plastics" Revealed

06/10 1983

Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh - DayDayNews

Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh

Don't pick up the birds on the roadside! Please let them go home on their own

06/10 1497

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

06/10 1017

A survey by the Beijing Gold Economic Development Research Center shows that market participants believe that gold prices are more likely to oscillate upward this week. Polling shows that 39% of readers are bullish on gold prices this week, 26% are bullish on gold prices this wee - DayDayNews

A survey by the Beijing Gold Economic Development Research Center shows that market participants believe that gold prices are more likely to oscillate upward this week. Polling shows that 39% of readers are bullish on gold prices this week, 26% are bullish on gold prices this wee

Analysts look at gold prices | The United States, Britain and other countries have banned the import of Russian gold. Is there an opportunity for a rebound?

06/10 1215

Weixin Weekly Commentary: What should be the relationship between gold and US stocks? Where is the ultimate adjustment target for the Dow Jones Industrial Average? July 1, 2022 Weixin Investment Consulting Research Center. - DayDayNews

Weixin Weekly Commentary: What should be the relationship between gold and US stocks? Where is the ultimate adjustment target for the Dow Jones Industrial Average? July 1, 2022 Weixin Investment Consulting Research Center.

Wilxin Weekly Commentary: What should be the relationship between gold and US stocks? What is the ultimate adjustment target for the Dow Jones Industrial Average?

06/10 1369

The NBA offseason took a strange turn after Kevin Durant demanded a trade. Instead of the team filling out their roster with needed players, they appear to be waiting to see where Durant and Kyrie Irving end up being traded. - DayDayNews

The NBA offseason took a strange turn after Kevin Durant demanded a trade. Instead of the team filling out their roster with needed players, they appear to be waiting to see where Durant and Kyrie Irving end up being traded.

Suns' Booker sends cryptic message amid Kevin Durant trade rumors

06/10 1841

ESPN reporter Brian Windhorst talked about Kevin Durant's trade when he participated in the show today and said that the competition in the market is not as fierce as expected. "The Nets believe there will be a fierce bidding war. Although there are many people interested in this - DayDayNews

ESPN reporter Brian Windhorst talked about Kevin Durant's trade when he participated in the show today and said that the competition in the market is not as fierce as expected. "The Nets believe there will be a fierce bidding war. Although there are many people interested in this

Famous reporter: The competition for Durant is not as fierce as the Nets imagined

06/10 1111

China believes that the important reason for the failure was insufficient preparation for the war, which led to Nie Weiping traveling to Singapore alone. On the way, he got on the wrong plane and broke out in a cold sweat. As a result, he had a cold and a fever that affected his - DayDayNews

China believes that the important reason for the failure was insufficient preparation for the war, which led to Nie Weiping traveling to Singapore alone. On the way, he got on the wrong plane and broke out in a cold sweat. As a result, he had a cold and a fever that affected his

Go master Xu Fengzhu, whose achievements are no less than those of the "chess master" Nie Weiping, but who has been marginalized

06/10 1154

On July 9, 1877, the All England Croquet and Lawn Tennis Club started its first lawn tennis match in Wimbledon, which was then an outer suburb of London. Twenty-one amateurs competed in the Gentlemen's Singles, the only event of the first Wimbledon. The winner will take home a tr - DayDayNews

On July 9, 1877, the All England Croquet and Lawn Tennis Club started its first lawn tennis match in Wimbledon, which was then an outer suburb of London. Twenty-one amateurs competed in the Gentlemen's Singles, the only event of the first Wimbledon. The winner will take home a tr

The Origin of Wimbledon Championships

06/10 1126