Apollo Program: Tragedy and Triumph (All Parts)

2024/05/1217:12:19 science 1971180

Apollo Program: Tragedy and Triumph (All Parts) - DayDayNews

Apollo Program: Tragedy and Triumph (All Parts) - DayDayNews

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Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough". - DayDayNews

Although infinity is a rather illusory and abstract concept, and it is quite taboo in physics to use any definition of "infinite", it is still a very interesting question. Let's not talk about "infinitely long" ladders for now. Perhaps it is more acceptable to use "long enough".

Can we use an infinitely long ladder to leave the earth without reaching the first cosmic speed?

05/22 1711

Some people say that the pyramid we saw is not a mausoleum at all. So what exactly is it? There are many incredible things about the structure of the pyramid. What is behind it? All the pyramids on Earth are on volcanic lines! Volcanoes are underground energy reserves! We can thi - DayDayNews

Some people say that the pyramid we saw is not a mausoleum at all. So what exactly is it? There are many incredible things about the structure of the pyramid. What is behind it? All the pyramids on Earth are on volcanic lines! Volcanoes are underground energy reserves! We can thi

Some people say that the pyramid is not a mausoleum at all. What is the secret behind it?

05/21 1335

New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely. - DayDayNews

New research shows that some viruses can change people's body odor, making the bitten person more attractive to mosquitoes. When more mosquitoes bite the virus host, the virus will spread more widely.

New research shows that some viral infections may make people more "mosquito-attractive"

05/22 1801

Our country has a vast territory and has all kinds of terrains. Among them is a kind of landscape, the cause of which scientists have not been able to figure out yet. The story starts with NASA satellites in the United States in 2014. When they passed through the sky over Inner M - DayDayNews

Our country has a vast territory and has all kinds of terrains. Among them is a kind of landscape, the cause of which scientists have not been able to figure out yet. The story starts with NASA satellites in the United States in 2014. When they passed through the sky over Inner M

American satellites have made a major discovery: There is an "Eye of the Desert" in Inner Mongolia, China! The cause is a mystery

05/21 1772

Recently, the team of Academician Chen Hualan of the Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences has made important progress in the research of H5N1 subtype highly pathogenic avian influenza viruses. This research has systematically clarif - DayDayNews

Recently, the team of Academician Chen Hualan of the Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences has made important progress in the research of H5N1 subtype highly pathogenic avian influenza viruses. This research has systematically clarif

Tracing the source! Scientists reveal the evolution of the new H5N1 avian influenza virus

05/22 1079

To put it simply: the speed of light is 300,000 kilometers per second, which is indeed very fast, but light does not require any power to reach the speed of light, and there is no acceleration process. To put it bluntly, light is "born" at the speed of light, and it must be the s - DayDayNews

To put it simply: the speed of light is 300,000 kilometers per second, which is indeed very fast, but light does not require any power to reach the speed of light, and there is no acceleration process. To put it bluntly, light is "born" at the speed of light, and it must be the s

The speed of light reaches 300,000 kilometers per second. It is so fast, what is the power?

05/21 1927

At present, investment institutions prefer the layout of technology platforms. Nucleic acid drugs have overcome the "difficult-to-drugability" and "undruggability" problems of traditional drugs, and have various advantages such as short research and development cycles, high resea - DayDayNews

At present, investment institutions prefer the layout of technology platforms. Nucleic acid drugs have overcome the "difficult-to-drugability" and "undruggability" problems of traditional drugs, and have various advantages such as short research and development cycles, high resea

Be wary of wasted investments and prefer investing in technology platforms! Nucleic acid drug research and development is not hot enough

05/21 1581

Not long ago, a lion with full bangs became a hot search topic. Do keepers give animals haircuts? What is the daily work of a breeder looking after ligers and other beasts, as well as animal cubs? Writer/Reporter Lu Bingxin Graphic Editor/Chen Yongjie New Media Editor/Lv Bingxin - DayDayNews

Not long ago, a lion with full bangs became a hot search topic. Do keepers give animals haircuts? What is the daily work of a breeder looking after ligers and other beasts, as well as animal cubs? Writer/Reporter Lu Bingxin Graphic Editor/Chen Yongjie New Media Editor/Lv Bingxin

Not a hairdresser but a "nanny", revealing the "magic job" of zoo keepers

05/21 1008

There is a plot in science fiction movies where a person is frozen in ice due to an accident. When he thaws out and wakes up again hundreds of years later, he faces a completely different world than before. - DayDayNews

There is a plot in science fiction movies where a person is frozen in ice due to an accident. When he thaws out and wakes up again hundreds of years later, he faces a completely different world than before.

The world's first frozen man took 2 years to thaw. Has he been successfully awakened?

05/21 1964

In order to meet the growing needs of semiconductor customers for large-area scanning and nanoscale metrology, Park Systems (Park Systems, hereinafter referred to as Park) has recently launched the Park NX-Hybrid WLI semiconductor machine, which can provide users with comprehensi - DayDayNews

In order to meet the growing needs of semiconductor customers for large-area scanning and nanoscale metrology, Park Systems (Park Systems, hereinafter referred to as Park) has recently launched the Park NX-Hybrid WLI semiconductor machine, which can provide users with comprehensi

Park launches powerful new semiconductor tool "Park NX-Hybrid WLI"

05/22 1929

Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue. - DayDayNews

Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue.

Is there only a 15-year gap between the aerospace capabilities of China and the United States? Aerospace academician: The real gap may be far more than that

05/23 1414

Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward - DayDayNews

Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward

Academician Deng Zixin: After receiving 50,000 yuan from the Youth Fund, my mood is no less than the millions today

05/23 1749

On June 23, the Changer Dingyao 64 rocket lifted off from the Xichang Satellite Launch Center, sending three remote sensing satellites of the Ministry of Agriculture and Rural Affairs 3502 Group A, B, and C into low Earth orbit. However, this is not all of its mission. According - DayDayNews

On June 23, the Changer Dingyao 64 rocket lifted off from the Xichang Satellite Launch Center, sending three remote sensing satellites of the Ministry of Agriculture and Rural Affairs 3502 Group A, B, and C into low Earth orbit. However, this is not all of its mission. According

The arrival of China’s solar sail is not the first time it has entered space. We cannot miss it anymore in the new era of navigation.

05/23 1795

I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau - DayDayNews

I wonder if you have noticed a special-looking plant when you often go to the river in summer. There is a wetland park near my home. In the summer, I will go to the wetland park with my family. When passing by a place with water, I can see a plant that looks like a sausage, becau

Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.

05/23 1252

The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become - DayDayNews

The World Meteorological Organization stipulates that when a certain climate element(s) reaches a return rate of 25 years, it is called an extreme climate. Extreme climates include droughts, floods, high-temperature heat waves, and low-temperature cold damage. As pollution become

Abnormal weather will occur in many places in 2022! Are Hawking's climate predictions credible? Analysis: Be wary of extremes

05/23 1774

Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion - DayDayNews

Modern science believes that our universe was born 13.8 billion years ago. 13.8 billion years ago, a singularity exploded. The singularity is an infinite mass, infinite energy, infinite heat, infinite mass, and infinite density. Large, infinitely small point. After the explosion

There is a gravitational source outside the orbit of Pluto. Scientists: It may be the legendary ninth planet

05/23 1449

The main campus of Mengzi Nankai School is Guanlan Campus. In the fall of 2022, the high school department plans to enroll 422 freshmen, including 4 public energy experimental classes with 38 students in each class; - DayDayNews

The main campus of Mengzi Nankai School is Guanlan Campus. In the fall of 2022, the high school department plans to enroll 422 freshmen, including 4 public energy experimental classes with 38 students in each class;

A must-read for candidates! Mengzi Nankai School 2022 High School Admissions Policy and Volunteer Application Guide

05/23 1966

Now 36 years old, he will celebrate his 37th birthday next month! He has worked as an entertainment reporter for Zinor Layla and Rokdim Im Kochavim. - DayDayNews

Now 36 years old, he will celebrate his 37th birthday next month! He has worked as an entertainment reporter for Zinor Layla and Rokdim Im Kochavim.

Hebrew-speaking Israeli queen, Aden Harrell

05/23 1926

Text - The love words written in the preface: I am here, waiting for the wind, waiting for the rain, waiting for the summer, and waiting for you... "The influence of the original family on a person is really great. Lucky people use their childhood to heal their lives, and unfortu - DayDayNews

Text - The love words written in the preface: I am here, waiting for the wind, waiting for the rain, waiting for the summer, and waiting for you... "The influence of the original family on a person is really great. Lucky people use their childhood to heal their lives, and unfortu

Some people use their lives to heal their childhood, and some people use their childhood to change their lives.

05/23 1267

Diabetes is a metabolic disease that has become increasingly common in recent years. It is a chronic disease in which the body secretes too little insulin, causing the body to be unable to make better use of sugars, resulting in high blood sugar and a series of adverse symptoms. - DayDayNews

Diabetes is a metabolic disease that has become increasingly common in recent years. It is a chronic disease in which the body secretes too little insulin, causing the body to be unable to make better use of sugars, resulting in high blood sugar and a series of adverse symptoms.

Pay attention to avoid: 5 types of people are easily "targeted" by diabetes, see if you are among them

05/23 1422

Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue. - DayDayNews

Especially in the aerospace field, everyone is scrambling to be the first. Since ancient times, the weak will choose to emulate the strong, so many countries regard the United States as an example for them to learn from and as a goal to pursue.

Is there only a 15-year gap between the aerospace capabilities of China and the United States? Aerospace academician: The real gap may be far more than that

05/23 1414

Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward - DayDayNews

Text | "China Science News" reporter Zhang Shuanghu 35 years ago, when the National Natural Science Foundation of China Youth Science Fund (hereinafter referred to as the Youth Fund) project was established, it was "reserved" for a young person for one year. Immediately afterward

Academician Deng Zixin: After receiving 50,000 yuan from the Youth Fund, my mood is no less than the millions today

05/23 1749