What was the Earth like 500 million years ago ? | Documentary History of the Earth

2024/04/2609:39:09 science 829196

What was the Earth like 500 million years ago ? | Documentary History of the Earth - DayDayNews

What was the Earth like 500 million years ago ? | Documentary History of the Earth - DayDayNews

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In this type of method, it is first necessary to find N 2D points in the image coordinate system, and at the same time find N 3D points associated with them in the object coordinate system. Sometimes it is also necessary to obtain the associated weight of each pair of points. - DayDayNews

In this type of method, it is first necessary to find N 2D points in the image coordinate system, and at the same time find N 3D points associated with them in the object coordinate system. Sometimes it is also necessary to obtain the associated weight of each pair of points.

What did Tongji and Alibaba’s CVPR 2022 Best Student Paper Awards study? This is an interpretation of one work

05/03 1460

On September 14, 2015, Chinese scientists came to the Tarim Basin in the northwest inland. Under the scorching sun of more than 40 degrees, in the long yellow sand, scientists unexpectedly discovered that this place actually contains a large amount of water resources, which is te - DayDayNews

On September 14, 2015, Chinese scientists came to the Tarim Basin in the northwest inland. Under the scorching sun of more than 40 degrees, in the long yellow sand, scientists unexpectedly discovered that this place actually contains a large amount of water resources, which is te

What would happen if the Tarim Basin was filled with fresh water? Expert: It’s not just the northwest climate that’s changing

05/04 1991

At the beginning of the 20th century, Einstein created the general theory of relativity, which described the history of the development and evolution of the universe. In this theoretical system, space and time merge into a continuous unity, and the universe can be described as a - DayDayNews

At the beginning of the 20th century, Einstein created the general theory of relativity, which described the history of the development and evolution of the universe. In this theoretical system, space and time merge into a continuous unity, and the universe can be described as a

Where is the universe expanding?

05/03 1875

Wetlands, forests and oceans are known as the world's three major ecosystems and are known as the "kidneys of the earth" and "species gene pool". On June 1 this year, my country’s first law specifically designed to protect wetlands, the “Wetland Protection Law of the People’s Rep - DayDayNews

Wetlands, forests and oceans are known as the world's three major ecosystems and are known as the "kidneys of the earth" and "species gene pool". On June 1 this year, my country’s first law specifically designed to protect wetlands, the “Wetland Protection Law of the People’s Rep

Wetland legislation lays a solid foundation for ecological protection

05/04 1871

In the past five years, a total of 262 fires in scientific research and school laboratories have been reported across the country, resulting in 818 deaths and injuries. 2 On October 24, 2021, a deflagration occurred in a laboratory on the Jiangjun Road Campus of Nanjing Universit - DayDayNews

In the past five years, a total of 262 fires in scientific research and school laboratories have been reported across the country, resulting in 818 deaths and injuries. 2 On October 24, 2021, a deflagration occurred in a laboratory on the Jiangjun Road Campus of Nanjing Universit

Be alert! The laboratory is very close to the "truth" and also very close to danger!

05/04 1271

Near the Taihang Mountains in Henan Province, my country, a small mountain village called Luojiezhai has a shocking unknown territory and a strange and frightening unknown creature. Even the ferocious venomous snakes and leopards are... In front of this creature, they can only ru - DayDayNews

Near the Taihang Mountains in Henan Province, my country, a small mountain village called Luojiezhai has a shocking unknown territory and a strange and frightening unknown creature. Even the ferocious venomous snakes and leopards are... In front of this creature, they can only ru

A mysterious monster suddenly appears in a mountain village in Henan. It not only treats leopards as dinner, but even venomous snakes are afraid of it.

05/03 1170

Congratulations to Dr. Moran Yassour, Department of Microbiology and Molecular Genetics, School of Medicine, Hebrew University of Jerusalem, and Dr. Haitham Amal, Institute of Pharmacy, School of Pharmacy, respectively, for winning the prestigious 2022 Krill Prize for Excellence - DayDayNews

Congratulations to Dr. Moran Yassour, Department of Microbiology and Molecular Genetics, School of Medicine, Hebrew University of Jerusalem, and Dr. Haitham Amal, Institute of Pharmacy, School of Pharmacy, respectively, for winning the prestigious 2022 Krill Prize for Excellence

Two Hebrew University PhD researchers win 2022 Krill Prize for excellence in scientific research

05/04 1231

On June 29, the latest announcement on the official website of China’s National Medical Products Administration was that the PD-1/CTLA-4 bispecific antibody cardunilimab injection independently developed by Kangfang Biologics was approved for marketing. Patients with recurrent or - DayDayNews

On June 29, the latest announcement on the official website of China’s National Medical Products Administration was that the PD-1/CTLA-4 bispecific antibody cardunilimab injection independently developed by Kangfang Biologics was approved for marketing. Patients with recurrent or

The world's first! “Cancer killer” bispecific antibody cardunilimab is launched in China

05/04 1853

SemiWiki reported that at the 2022 SPIE High-end Lithography Exposure Conference, ASML, a major extreme ultraviolet lithography equipment (EUV) manufacturer, introduced the latest developments in EUV. The outside world can understand the EUV development process and future develop - DayDayNews

SemiWiki reported that at the 2022 SPIE High-end Lithography Exposure Conference, ASML, a major extreme ultraviolet lithography equipment (EUV) manufacturer, introduced the latest developments in EUV. The outside world can understand the EUV development process and future develop

The aperture number ranges from 0.33 to 0.7, mastering the development layout of ASML EUV in one hand

05/04 1067

Have you ever wondered why there is no human-animal hybrid on earth? At the beginning of the last century, Soviet biologists tried to inject human semen into chimpanzees in order to create a human-ape hybrid. . - DayDayNews

Have you ever wondered why there is no human-animal hybrid on earth? At the beginning of the last century, Soviet biologists tried to inject human semen into chimpanzees in order to create a human-ape hybrid. .

Why do animals have reproductive isolation? What exactly did the former Soviet Union's "man-ape" experiment discover?

05/04 1624

On June 29, citizens in Guiyang, Guizhou Province took photos of a "UFO" appearing in the sky. According to citizens' descriptions, the flying object was like a rocket launching with a long tail, flying from the ground to space, and the flight duration was about 2 Minutes later, - DayDayNews

On June 29, citizens in Guiyang, Guizhou Province took photos of a "UFO" appearing in the sky. According to citizens' descriptions, the flying object was like a rocket launching with a long tail, flying from the ground to space, and the flight duration was about 2 Minutes later,

UFO? A "UFO" appeared in the sky over Guizhou and flew for 2 minutes. What is it?

05/05 1679

Wang Jianping: One article per day: "Theory of Perception." Part 9" (98) Why are there differences among people? According to general logical inference, the reason why human society can be formed and operated is based on the commonality of people. Human society is a collection of - DayDayNews

Wang Jianping: One article per day: "Theory of Perception." Part 9" (98) Why are there differences among people? According to general logical inference, the reason why human society can be formed and operated is based on the commonality of people. Human society is a collection of

Great things are happening in the world: Can a harmonious world be realized?

05/05 1630

Is the universe finite or infinite? This issue has been debated for a long time. Some people think that the universe has a boundary, because the maximum boundary that the Hubble Telescope can see is about 92 billion light-years, which should be the limit of the universe. However, - DayDayNews

Is the universe finite or infinite? This issue has been debated for a long time. Some people think that the universe has a boundary, because the maximum boundary that the Hubble Telescope can see is about 92 billion light-years, which should be the limit of the universe. However,

Are there boundaries to the universe? After continuously enlarging it, you will find that the structure of the universe is similar to the structure of life

05/05 1284

The earth contains huge energy, but humans are only using the energy on its surface. Most of the energy used by humans is fossil energy, which was obtained by ancient organisms after a series of changes. It is essentially the energy on the surface of the earth's crust. However, m - DayDayNews

The earth contains huge energy, but humans are only using the energy on its surface. Most of the energy used by humans is fossil energy, which was obtained by ancient organisms after a series of changes. It is essentially the energy on the surface of the earth's crust. However, m

Drill 20 kilometers into the earth’s crust! Unleashing unlimited energy, what exactly is the technology of the American company’s wave drill?

05/05 1073

The reason for foreign netizens is that objects should be weightless in space. However, when teaching in space on the Chinese Space Station, the water is still the same as on the ground. It is stable in the water cup and does not float out. Some foreign netizens even launched con - DayDayNews

The reason for foreign netizens is that objects should be weightless in space. However, when teaching in space on the Chinese Space Station, the water is still the same as on the ground. It is stable in the water cup and does not float out. Some foreign netizens even launched con

China's space lecture was questioned because it was shot on the ground because of "a glass of water". Are foreigners upset?

05/05 1560

Source | Written by Minai.com (authorized reprinted by Cyberland) | Dr. Zhang Ziran’s TOP20 brand structure has changed so much that it has subverted the traditional concepts of marketing and R&D projects. In 2017, five traditional Chinese medicine injections among the top 20 bra

Top 20 Drastic Changes in Drugs｜Traditional sales and R&D have been subverted

05/05 1160

Use the simplest sentence to describe "The Seven": another movie produced by Galaxy Image. For fans who are familiar with Hong Kong movies, this sentence is enough. After all, the three men behind the four words "Galaxy Image", that is, the main creative force of the company, can - DayDayNews

Use the simplest sentence to describe "The Seven": another movie produced by Galaxy Image. For fans who are familiar with Hong Kong movies, this sentence is enough. After all, the three men behind the four words "Galaxy Image", that is, the main creative force of the company, can

Big names gathered to pay tribute to the collective of the golden years of Hong Kong films: "The Seven"

05/05 1409

During World War II, both China and the United States faced the threat of Japan, so the United States generally supported China's anti-Japanese cause. When Japan attacked Pearl Harbor, the United States' stance of assisting China in resisting Japan became even firmer. - DayDayNews

During World War II, both China and the United States faced the threat of Japan, so the United States generally supported China's anti-Japanese cause. When Japan attacked Pearl Harbor, the United States' stance of assisting China in resisting Japan became even firmer.

How helpful was the Hump Route in the War of Resistance? In fact, the supplies obtained by the Chinese army are negligible.

05/05 1662

However, more than 30 years ago, China had a missile trade with Saudi Arabia. Saudi Arabia spent a huge sum of US$3.5 billion to purchase 35 Dongfeng-3 missiles from China. So far, none of these missiles have been launched. - DayDayNews

However, more than 30 years ago, China had a missile trade with Saudi Arabia. Saudi Arabia spent a huge sum of US$3.5 billion to purchase 35 Dongfeng-3 missiles from China. So far, none of these missiles have been launched.

Is it really worth it? Saudi Arabia spent US$3.5 billion to purchase 35 Dongfeng-3 missiles from China, but none has been issued so far.

05/05 1121

However, just before it was decided who the strongest flanker was, the dispute over this title resurfaced, and the Chinese Navy's J-15B carrier-based aircraft also joined the competition. So as the world’s newest Flanker fighter, is the J-15B expected to outperform the rest? - DayDayNews

However, just before it was decided who the strongest flanker was, the dispute over this title resurfaced, and the Chinese Navy's J-15B carrier-based aircraft also joined the competition. So as the world’s newest Flanker fighter, is the J-15B expected to outperform the rest?

Is my country’s navy’s J-15B carrier-based aircraft expected to outperform the rest? The dispute over "the strongest flanker" resumes

05/05 1206

A few days ago, I accidentally talked to fans about the old "motorcycle" in my name that should be scrapped. If I don't do it, what impact will it have on the car? I have probably discussed it with hundreds of fans, and I think it is quite meaningful. Today I will sort out some o - DayDayNews

A few days ago, I accidentally talked to fans about the old "motorcycle" in my name that should be scrapped. If I don't do it, what impact will it have on the car? I have probably discussed it with hundreds of fans, and I think it is quite meaningful. Today I will sort out some o

I have an old motorcycle in my name. Do I need to scrap it? What impact will failure have on car owners?

05/05 1115

Speaking of zombie cars, everyone is definitely familiar with them. These zombie cars have been parked on the road for a long time, occupying parking resources, and some cars are covered with thick dust and dead leaves; some cars are "missing arms and legs", with windows and door - DayDayNews

Speaking of zombie cars, everyone is definitely familiar with them. These zombie cars have been parked on the road for a long time, occupying parking resources, and some cars are covered with thick dust and dead leaves; some cars are "missing arms and legs", with windows and door

Zhuhai citizens, streets, and traffic police teamed up and 86 zombie cars were cleared away! You can also report like this

05/05 1375