What does the 4D Klein Bottle look like ? [4D Toys]

2024/06/2801:13:04 science 691637

What does the 4D Klein Bottle look like ? [4D Toys] - DayDayNews

What does the 4D Klein Bottle look like ? [4D Toys] - DayDayNews

3:13

* All content videos are shared, reposted and embedded from YouTube. If there is any violation or error, please contact us to delete it.

science

Li Siguang, a Chinese astronomy, geology and paleontologist, said: The cosmic phenomena we see today all happened many years ago. Because many celestial bodies are hundreds of light years away from us, thousands of light years away, tens of thousands light years away, and hundred - DayDayNews

Li Siguang, a Chinese astronomy, geology and paleontologist, said: The cosmic phenomena we see today all happened many years ago. Because many celestial bodies are hundreds of light years away from us, thousands of light years away, tens of thousands light years away, and hundred

The Webb telescope sent back the first batch of photos, the existence of the universe is beyond imagination

06/30 1564

According to media reports, a new wave of epidemic broke out in Shanghai, and although the confirmed data are stable, they have been running at a high level, and medium- and high-risk areas have also increased significantly. And according to virus gene sequencing, it is the Omicr - DayDayNews

According to media reports, a new wave of epidemic broke out in Shanghai, and although the confirmed data are stable, they have been running at a high level, and medium- and high-risk areas have also increased significantly. And according to virus gene sequencing, it is the Omicr

Will the invasion of strong mutant strains and the cancellation of nucleic acid testing of imported non-cold chain items lead to a rebound in the epidemic?

06/30 1669

Bad news in the Arctic Ocean. A one-year mission is underway here: 19 countries, more than 600 personnel, and hundreds of scientists began measuring the Arctic from a large icebreaker. 389 days before and after, after the scientists completed the entire measurement, a piece of ba - DayDayNews

Bad news in the Arctic Ocean. A one-year mission is underway here: 19 countries, more than 600 personnel, and hundreds of scientists began measuring the Arctic from a large icebreaker. 389 days before and after, after the scientists completed the entire measurement, a piece of ba

After 389 days wandering in the Arctic, hundreds of scientists brought back bad news: the Arctic Ocean is dying

06/30 1886

On the website of Forbes biweekly in the United States, there is an article called Scientists say there may be 42,777 intelligent alien civilizations in the Milky Way. In this article, researchers believe that there may be 42,777 alien civilizations in our Milky Way. As for when - DayDayNews

On the website of Forbes biweekly in the United States, there is an article called Scientists say there may be 42,777 intelligent alien civilizations in the Milky Way. In this article, researchers believe that there may be 42,777 alien civilizations in our Milky Way. As for when

Are humans really not alone? Scientists: There may be 42,777 alien civilizations in the Milky Way

06/30 1405

Recently, "Eurasia Times" reported that after China conducted anti-satellite tests and anti-ballistic missile tests, it planned to conduct an asteroid impact/deflection test in 2025 or 2026, and called this test the Chinese version of the planet. War plan. - DayDayNews

Recently, "Eurasia Times" reported that after China conducted anti-satellite tests and anti-ballistic missile tests, it planned to conduct an asteroid impact/deflection test in 2025 or 2026, and called this test the Chinese version of the planet. War plan.

Chinese version of Star Wars? Indian media hypes China's asteroid impact plan, NASA satellites are launched

06/30 1884

On March 3, 2022, a team of Professor Zhou Ming from Northeast Normal University, Professor Wang Ming from Jilin University, and Professor Wei Hui from Nanjing University published an article titled "Guided Synthesis of a Mo/Zn" in Angew. Chem. Int. Ed. New research on "Dual Sing - DayDayNews

On March 3, 2022, a team of Professor Zhou Ming from Northeast Normal University, Professor Wang Ming from Jilin University, and Professor Wei Hui from Nanjing University published an article titled "Guided Synthesis of a Mo/Zn" in Angew. Chem. Int. Ed. New research on "Dual Sing

「Reprint」Angew. Chem. Int. Ed. | Directional synthesis of Mo/Zn bimetallic single-atom nanozymes

06/30 1449

This year's large area of scorching heat has arrived unexpectedly. In the past few days, high temperature warnings have been heard in dozens of provinces and cities across the country. Zhengzhou, Shanghai, Hangzhou, Chongqing and other places have frequently been on the hot s - DayDayNews

This year's large area of scorching heat has arrived unexpectedly. In the past few days, high temperature warnings have been heard in dozens of provinces and cities across the country. Zhengzhou, Shanghai, Hangzhou, Chongqing and other places have frequently been on the hot s

The latest list of China’s top ten “hot pot” cities has been released. Is your hometown here?

06/30 1974

Entering midsummer, the period of the year with the highest temperatures and the most changeable weather. It has just passed the summer solstice, and there are still minor and severe summer heats ahead. Even after the beginning of autumn, the sun is still not out, and there are s - DayDayNews

Entering midsummer, the period of the year with the highest temperatures and the most changeable weather. It has just passed the summer solstice, and there are still minor and severe summer heats ahead. Even after the beginning of autumn, the sun is still not out, and there are s

Wild fishing for big cocks in midsummer, these classic fishing spots are all good places for cocks to gather together.

06/30 1102

The Drosophila melanogaster Down syndrome cell adhesion molecule 1 (Dscam1) gene encodes 38,016 potential isoforms through mutually exclusive alternative splicing and plays an important role in the nervous and immune systems. In 2016, Professor Jin Yongfeng’s team discovered that - DayDayNews

The Drosophila melanogaster Down syndrome cell adhesion molecule 1 (Dscam1) gene encodes 38,016 potential isoforms through mutually exclusive alternative splicing and plays an important role in the nervous and immune systems. In 2016, Professor Jin Yongfeng’s team discovered that

Jin Yongfeng’s team published a paper reporting progress in research on the RNA trans-splicing mechanism

06/30 1372

In the history of the development of human science and technology, there are many great physicists, such as Newton, Einstein, Galileo, Copernicus, Bohr, Schrödinger, etc. These great scientists played a very important role in human exploration of the universe. Among them, the ach - DayDayNews

In the history of the development of human science and technology, there are many great physicists, such as Newton, Einstein, Galileo, Copernicus, Bohr, Schrödinger, etc. These great scientists played a very important role in human exploration of the universe. Among them, the ach

Quantum mechanics: Your life may be designed, and all your struggles will be in vain

07/01 1015

The first full-color picture from the new James Webb Space Telescope has been released - and it doesn't disappoint. - DayDayNews

The first full-color picture from the new James Webb Space Telescope has been released - and it doesn't disappoint.

Beautiful! NASA releases first full-color image of the universe, revealing the deepest mysteries of the universe Bilingual News

07/02 1170

Talent is the core competitiveness of an enterprise. "Wherever the talents are, our R&D center will be built!" This is a profile of Zhang Jianhong, chairman of Dongyue Group, who is eager for talents. The reporter visited two "champion" companies, Dongyue Polymer Materials Co., L

"Golden Phoenix" leads Zibo manufacturing station to the C position in the world

07/02 1861

NASA has released additional full-color space photos taken by the next-generation space telescope, the James Webb Space Telescope (JWST). NASA revealed the "Southern Ring Nebula" where stars died 2,000 light-years away. NASA explained of the nebula: "The network of telescopes has - DayDayNews

NASA has released additional full-color space photos taken by the next-generation space telescope, the James Webb Space Telescope (JWST). NASA revealed the "Southern Ring Nebula" where stars died 2,000 light-years away. NASA explained of the nebula: "The network of telescopes has

Nasa releases mysterious and spectacular cosmic photos of the Milky Way

07/02 1288

Just now, Henan Real Biotechnology Co., Ltd. announced that the results of the registration phase III clinical trial of Azivudine Tablets for the treatment of new coronavirus pneumonia have met expectations. - DayDayNews

Just now, Henan Real Biotechnology Co., Ltd. announced that the results of the registration phase III clinical trial of Azivudine Tablets for the treatment of new coronavirus pneumonia have met expectations.

Big news breaks out in Henan! The biggest nemesis of the new coronavirus is finally coming

07/02 1196

On the vast African continent, there lives a large tree species called baobab. It is currently one of the largest and longest-lived plants in the world. It is said that it can last for up to five thousand years on the earth. It has a long life and provides abundant resources. It - DayDayNews

On the vast African continent, there lives a large tree species called baobab. It is currently one of the largest and longest-lived plants in the world. It is said that it can last for up to five thousand years on the earth. It has a long life and provides abundant resources. It

The baobab tree, which can eat, drink and live, and has a lifespan of 5,000 years, has changed drastically after being introduced to China.

07/02 1712

On October 4, 1957, all Americans were stunned by the news: the Soviet Union successfully launched the world's first artificial earth satellite (Sputnik 1-Sputnik 1). Although this is mankind's first step into space, it marks the beginning of human spaceflight and creates a new e - DayDayNews

On October 4, 1957, all Americans were stunned by the news: the Soviet Union successfully launched the world's first artificial earth satellite (Sputnik 1-Sputnik 1). Although this is mankind's first step into space, it marks the beginning of human spaceflight and creates a new e

Inside story of the world's first artificial satellite

07/02 1112

About one-third of a person's life is spent sleeping. In our traditional culture, there are many stories about dreams, such as Zhuang Sheng’s Dream of Butterflies, Huang Liang’s Beautiful Dream, and Nan Ke’s Dream. The ancients believed that dreams are a kind of omen. There are c - DayDayNews

About one-third of a person's life is spent sleeping. In our traditional culture, there are many stories about dreams, such as Zhuang Sheng’s Dream of Butterflies, Huang Liang’s Beautiful Dream, and Nan Ke’s Dream. The ancients believed that dreams are a kind of omen. There are c

Dreaming about these things means that your fortune will be greatly improved.

07/02 1074

These truths have always existed, but we have not paid attention to them: the father is incompetent and the son suffers, and the son is incompetent and the father bows his head. Thirty years ago, the father respected the son, and thirty years later, the son respected the father. - DayDayNews

These truths have always existed, but we have not paid attention to them: the father is incompetent and the son suffers, and the son is incompetent and the father bows his head. Thirty years ago, the father respected the son, and thirty years later, the son respected the father.

If the father is incompetent, the child suffers, if the son is incompetent, the father bows his head, and the parents are suffering. What is the meaning of growing up?

07/02 1537

Last night I was drinking while listening to the rain outside the window. The night in the countryside was very quiet, and the sound of beating leaves through the forest could hit me deep in my heart. Later, I fell asleep amidst the sound of rain, and even my dreams felt like a l - DayDayNews

Last night I was drinking while listening to the rain outside the window. The night in the countryside was very quiet, and the sound of beating leaves through the forest could hit me deep in my heart. Later, I fell asleep amidst the sound of rain, and even my dreams felt like a l

The rain, the mountains, the people, the flowers

07/02 1041

The little lotus on the cross bridge has deep roots and an upward heart. Standing tall in mud, silently turning into turbid water. Ye Yuan knows how to be satisfied and never forgets to be strong in his ambition. When the water rises, it floats and dives without drifting; when th - DayDayNews

The little lotus on the cross bridge has deep roots and an upward heart. Standing tall in mud, silently turning into turbid water. Ye Yuan knows how to be satisfied and never forgets to be strong in his ambition. When the water rises, it floats and dives without drifting; when th

Cross Bridge Xiaohe

07/02 1032

To everyone: Hello, this is Haiyan Psychological Counseling. It’s a hot summer day and the heat is unbearable. Are you feeling bitter in your heart and have no one to tell you? Are you worried too and have no one to answer your questions? Are you also in unbearable pain, no one k - DayDayNews

To everyone: Hello, this is Haiyan Psychological Counseling. It’s a hot summer day and the heat is unbearable. Are you feeling bitter in your heart and have no one to tell you? Are you worried too and have no one to answer your questions? Are you also in unbearable pain, no one k

"Heart Clear·Tree Hole" is where you can talk to your heart's content

07/02 1350

The recovery of obsessive-compulsive disorder must ultimately be an inner change. Inner change is the basis for the recovery of obsessive-compulsive disorder. I have written many times in my articles that change starts from the heart. Nowadays, Internet technology is very develop - DayDayNews

The recovery of obsessive-compulsive disorder must ultimately be an inner change. Inner change is the basis for the recovery of obsessive-compulsive disorder. I have written many times in my articles that change starts from the heart. Nowadays, Internet technology is very develop

The most important thing for obsessive-compulsive disorder is to have the ability to think independently and take the right path

07/02 1159