Earth's Rotation & Revolution: Crash Course Kids 8.1

2024/04/1810:53:08 science 5452811

Earth's Rotation & Revolution: Crash Course Kids 8.1 - DayDayNews

Earth's Rotation & Revolution: Crash Course Kids 8.1 - DayDayNews

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Introduction to the results: Since biomass carbon materials have rich microstructures, in order to study the synergistic effect of the microstructure and macrostructure of structural absorption materials. - DayDayNews

Introduction to the results: Since biomass carbon materials have rich microstructures, in order to study the synergistic effect of the microstructure and macrostructure of structural absorption materials.

Hunan University: Porous carbon materials derived from waste almond shells for use in broadband structural microwave absorbers

05/21 1691

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

Only three scientists worldwide have received this honor. Yuan Daoxian, a professor at the School of Geographical Sciences of Southwest University, is among them. He is a famous geologist, hydrogeologist and karstologist. - DayDayNews

Only three scientists worldwide have received this honor. Yuan Daoxian, a professor at the School of Geographical Sciences of Southwest University, is among them. He is a famous geologist, hydrogeologist and karstologist.

There are only three in the world, and the Chinese are among them

05/21 1484

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

The study, published in Science on June 30, reports that the implant is made of biodegradable materials and is designed to reduce postoperative pain. There is an urgent need for better ways to relieve pain because currently available opioids can be addictive, and ice packs or coo - DayDayNews

The study, published in Science on June 30, reports that the implant is made of biodegradable materials and is designed to reduce postoperative pain. There is an urgent need for better ways to relieve pain because currently available opioids can be addictive, and ice packs or coo

Still using ice cubes to relieve pain? Science: Try this method

05/21 1571

⇩ ⇩ ⇩ ⇩. More biolighting information can be found in the biolighting demonstration area in Hall 4.2, Area 4.2 of GILE2022A. Click on the "link" to get exhibition tickets. - DayDayNews

⇩ ⇩ ⇩ ⇩. More biolighting information can be found in the biolighting demonstration area in Hall 4.2, Area 4.2 of GILE2022A. Click on the "link" to get exhibition tickets.

GILE2022 | Authoritative celebrities give heavy support to explore new trends in bio-lighting

05/21 1354

In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl - DayDayNews

In 1992, Neal Stephenson constructed a virtual world parallel to the real world, the Metaverse, in his science fiction novel "Snow Crash". Since then, although the concept of the metaverse has not left the public eye, it has not been widely paid attention to and accepted by peopl

Ethical Thoughts on the "Metaverse"

05/22 1778

An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr - DayDayNews

An astronaut aboard the International Space Station (ISS) captured this image of Tunupa Volcano on February 5, 2022. It is located on a peninsula between Bolivia's two largest salt flats (Salar de Uyuni and Salar de Coipsa). These saline marshes vary in sediment coverage and micr

"Space Observation" Bolivia's Tunupa volcano photographed by the International Space Station

05/21 1264

Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor - DayDayNews

Introduction to the results Inspired by agricultural ridge technology, in this article, researchers such as Associate Professor Guo Xingmei and Professor Zhang Junhao from Jiangsu University of Science and Technology, Professor Sheng Lin from Shandong University published a repor

Jiangsu University of Science and Technology: Cobalt nickel selenium nanosheets grown on 3D carbon framework for use in supercapacitors

05/21 1591

"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not. - DayDayNews

"Genius is on the left, madman is on the right." "The ultimate genius is madness, and the ultimate madness is genius." Regarding this point of view, some people agree and some do not.

26 years ago, the high school student who built a "nuclear reactor" at home later died of alcoholism and poisoning

05/21 1374

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

When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world. - DayDayNews

When it comes to snails, the first thing that comes to mind is that they have a thick shell. In fact, in addition to being known for their thick shells, snails are also the animals with the most teeth in the world.

Snails are said to be the creatures with the most teeth in the world. So what are the uses of so many teeth?

05/23 1641

Walking people have to adjust their gait again and again to walk on curbs or steps. Whether intentionally or not, everyone has developed control strategies to control muscle activity in response to changes in the outside world, thereby protecting them from tripping. effects of ti - DayDayNews

Walking people have to adjust their gait again and again to walk on curbs or steps. Whether intentionally or not, everyone has developed control strategies to control muscle activity in response to changes in the outside world, thereby protecting them from tripping. effects of ti

Two main strategies for robot gait control

05/23 1358

The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w - DayDayNews

The majority of overseas Chinese are very concerned about Hong Kong's continued stability, prosperity and development. Recently, Sun Dawen, a well-known Chinese scientist and academician of the European Academy of Humanities and Natural Sciences, wrote an article to express his w

[Tongxinyu] The pearl is dazzling and the bauhinia is beautiful - Chinese scientist Sun Dawen writes an article to celebrate the 25th anniversary of Hong Kong's return to the motherland.

05/23 1190

Got a story for July 4th? Today is also called aphelion. This day is the day when the earth is farthest from the sun. The time it takes for the earth to orbit the sun is one year. The place where the earth is closest to the sun is called perihelion. It is in early July every year - DayDayNews

Got a story for July 4th? Today is also called aphelion. This day is the day when the earth is farthest from the sun. The time it takes for the earth to orbit the sun is one year. The place where the earth is closest to the sun is called perihelion. It is in early July every year

July 4th, the story you don’t know

05/23 1745

According to Global Network, in an environment of increasingly tense international situation, NASA Administrator Nelson recently made a series of remarks against China. In an interview with German media, he hyped up the "Chinese space threat theory" and bluntly stated that China - DayDayNews

According to Global Network, in an environment of increasingly tense international situation, NASA Administrator Nelson recently made a series of remarks against China. In an interview with German media, he hyped up the "Chinese space threat theory" and bluntly stated that China

NASA exaggerates China's "military space program", and China makes it clear: the United States is seeking space hegemony

05/23 1424

Qian Zhongshu said - Marriage is a wall. People outside the wall want to come in, and people inside the wall want to get out. But she started dyeing her hair, dancing on the stage, and taking the idol route. - DayDayNews

Qian Zhongshu said - Marriage is a wall. People outside the wall want to come in, and people inside the wall want to get out. But she started dyeing her hair, dancing on the stage, and taking the idol route.

He is 3 years younger than Yuan Bingyan, but he has a romantic scene with Yuan Bingyan. Can he become famous at 188cm?

05/23 1552

After the TV series "Liu Li" was broadcast, he reached the peak of his career in an instant. Before, he was just a silent 18th-tier actor, but through this film and television drama, we also really got to know Cheng Yi, and Liu Li and Yuan Bingyan The interaction is also very swe - DayDayNews

After the TV series "Liu Li" was broadcast, he reached the peak of his career in an instant. Before, he was just a silent 18th-tier actor, but through this film and television drama, we also really got to know Cheng Yi, and Liu Li and Yuan Bingyan The interaction is also very swe

Yuan Bingyan obviously auditioned for "Purple Fox", why did she play Xuanji? Netizen: The makeup photos prove everything

05/23 1904

On February 25, some netizens exposed the news of Xu Yiyang's relationship. The man is Yang Haoming, a contestant on "Next Stop Legend". In fact, the love scandal between the two of them was already very popular on the Internet when Xu Yiyang participated in the talent show. But - DayDayNews

On February 25, some netizens exposed the news of Xu Yiyang's relationship. The man is Yang Haoming, a contestant on "Next Stop Legend". In fact, the love scandal between the two of them was already very popular on the Internet when Xu Yiyang participated in the talent show. But

Xu Yiyang's past love affairs were brought up again, but her resources were not affected, and her celebrity status surpassed that of the popular little girl.

05/23 1644

Yu Ye: Tfboys will definitely not perform on the same stage this time. After all, they were separated when negotiating resources. However, the three of them will still get together for this birthday. Although the team has always avoided suspicion, the relationship between the thr - DayDayNews

Yu Ye: Tfboys will definitely not perform on the same stage this time. After all, they were separated when negotiating resources. However, the three of them will still get together for this birthday. Although the team has always avoided suspicion, the relationship between the thr

Little Gossip, Li Shaminzi and her current boyfriend, Zhu Yilong, Liu Shishi and Tong Liya

05/23 1675

There was a heavy rain, and deep water accumulated in the depressions on the road. A colleague at work said that there were at least a dozen cars parked at the intersection next to the workplace. Mercedes-Benz, BMW, Audi, and small sports cars all failed here. However, some econo - DayDayNews

There was a heavy rain, and deep water accumulated in the depressions on the road. A colleague at work said that there were at least a dozen cars parked at the intersection next to the workplace. Mercedes-Benz, BMW, Audi, and small sports cars all failed here. However, some econo

The rainy season is here. Are you ready to drive through water?

05/23 1482

Recently, spy photos of the road test of the production version of the Tank 700 have been exposed. It is likely that the overall shape of the new car will continue from the concept version. The shape is full of mecha style, and the power is expected to be equipped with a 3.0T six - DayDayNews

Recently, spy photos of the road test of the production version of the Tank 700 have been exposed. It is likely that the overall shape of the new car will continue from the concept version. The shape is full of mecha style, and the power is expected to be equipped with a 3.0T six

Tank 500 is just an appetizer! The mass production version of Tank 700 is exposed, wearing a mecha and having a strong aura

05/23 1395