Lecture 1 : Perception

2024/05/0519:14:04 science 95723

Lecture 1 : Perception - DayDayNews

Lecture 1 : Perception - DayDayNews

24:02

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

science

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

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

The laboratory of the Beijing Center for Disease Control and Prevention conducted genetic sequencing on the specimens of the three infected persons reported on July 5. The results showed that the viruses all belong to the BA.5.2 branch of the Omicron variant. Gene sequence compar - DayDayNews

The laboratory of the Beijing Center for Disease Control and Prevention conducted genetic sequencing on the specimens of the three infected persons reported on July 5. The results showed that the viruses all belong to the BA.5.2 branch of the Omicron variant. Gene sequence compar

Will Omicron BA.4/5 become the most transmissible respiratory virus?

06/08 1474

Have you ever thought about this question: It is possible that the world we live in, like the science fiction film "Hackers from Another Dimension", is just a program, a time and space created by an advanced civilization? - DayDayNews

Have you ever thought about this question: It is possible that the world we live in, like the science fiction film "Hackers from Another Dimension", is just a program, a time and space created by an advanced civilization?

A "mysterious matrix" appears in the night sky in Shijiazhuang. I don't know who created it. What did it come from?

06/08 1569

Helan Mountain red deer. (Data map) Photo by Yu Jing China News Service, Yinchuan, July 7 (Reporter Yang Di) The reporter learned from the Ningxia Ecological Environment Department on the 7th that Ningxia recently issued the "Implementation Opinions on Further Strengthening Biodi - DayDayNews

Helan Mountain red deer. (Data map) Photo by Yu Jing China News Service, Yinchuan, July 7 (Reporter Yang Di) The reporter learned from the Ningxia Ecological Environment Department on the 7th that Ningxia recently issued the "Implementation Opinions on Further Strengthening Biodi

Ningxia: The protection rate of the number of nationally protected wild animal and plant species will reach 80% by 2025

06/08 1206

In a recent study published in Nature, a research team from the Massachusetts Institute of Technology (MIT), inspired by the auditory system, developed a fabric with sensitive "hearing" that can also retain machine washability. properties of traditional fabrics such as sex and dr - DayDayNews

In a recent study published in Nature, a research team from the Massachusetts Institute of Technology (MIT), inspired by the auditory system, developed a fabric with sensitive "hearing" that can also retain machine washability. properties of traditional fabrics such as sex and dr

Nature: MIT scientists develop fabric with sensitive "hearing"

06/08 1790

Text ✎Liangshu Editor✎Liangshu is not cool - the seismometer has been removed from the textbook - because there is a large part of the country at the junction of the Eurasian continental plate and the African plate, our country has also become one of the earthquake-prone countrie - DayDayNews

Text ✎Liangshu Editor✎Liangshu is not cool - the seismometer has been removed from the textbook - because there is a large part of the country at the junction of the Eurasian continental plate and the African plate, our country has also become one of the earthquake-prone countrie

Is the seismograph a scam? And it was removed from the textbook. Academician of the Chinese Academy of Sciences: Even the best things to do are better than this.

06/06 1418

This strange, fluid-like electronic behavior could be used in the next generation of low-power electronics, potentially making them more efficient. Although they are discrete particles, water molecules flow collectively as a liquid, creating streams, waves, eddies, and other clas - DayDayNews

This strange, fluid-like electronic behavior could be used in the next generation of low-power electronics, potentially making them more efficient. Although they are discrete particles, water molecules flow collectively as a liquid, creating streams, waves, eddies, and other clas

Scientists observe for the first time 'electron vortices' that could help design more efficient electronics

06/07 1885

During the annual lychee season, lychees must have a place in the list of summer fruits! Did you notice it when you were eating lychees? Sometimes I open the lychee stem and find it is black? At this time, should you choose to throw it away or eat it? (Telling you secretly, the e - DayDayNews

During the annual lychee season, lychees must have a place in the list of summer fruits! Did you notice it when you were eating lychees? Sometimes I open the lychee stem and find it is black? At this time, should you choose to throw it away or eat it? (Telling you secretly, the e

It turns out that the lychees I have eaten for so many years are all worm excrement lychees.

06/07 1889

A bus-sized planet will pass close to Earth today, Thursday, July 7, passing within just 56,000 miles (90,000 kilometers), or 23 percent of the average distance between Earth and the moon. The asteroid, called 2022 NF, is expected to pass safely by our planet, according to calcul - DayDayNews

A bus-sized planet will pass close to Earth today, Thursday, July 7, passing within just 56,000 miles (90,000 kilometers), or 23 percent of the average distance between Earth and the moon. The asteroid, called 2022 NF, is expected to pass safely by our planet, according to calcul

Scientists detect a bus-sized planet that will approach Earth tonight

06/07 1270

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

In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw - DayDayNews

In modern astronomical theory, the formation of important celestial objects such as double black holes, double neutron stars, and double white dwarfs are the result of the evolution of the shared envelope of binary stars. A few days ago, the research team of Academician Han Zhanw

An Appointment in the Starry Sky | Exploring the evolution of binary stars. Scientists found direct evidence of shared envelope evolution for the first time

06/10 1930

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing. - DayDayNews

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.

From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life

06/10 1909

Chinese people have a special emotion for the moon. Chang'e flies to the moon, the Moon Rabbit makes medicine, we are strangers in a foreign land, but we still share the beauty of the moon. The moon represents my heart. Throughout the ages, many thoughts and emotions have been pl - DayDayNews

Chinese people have a special emotion for the moon. Chang'e flies to the moon, the Moon Rabbit makes medicine, we are strangers in a foreign land, but we still share the beauty of the moon. The moon represents my heart. Throughout the ages, many thoughts and emotions have been pl

Why do American experts want to blow up the moon and leave the earth without seasons? What is their purpose?

06/10 1691

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr - DayDayNews

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr

Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?

06/09 1513

Have you ever thought about the possibility of regenerating those brain cells you sacrificed in college? Medicine is being rewritten and we may be able to repair our brains, and it's something anyone can do. - DayDayNews

Have you ever thought about the possibility of regenerating those brain cells you sacrificed in college? Medicine is being rewritten and we may be able to repair our brains, and it's something anyone can do.

Can the brain regenerate? 5 ways and habits to reverse brain aging

06/09 1890

The United States manipulated the United Nations to support Rhee Syngman and formed a United Nations army. Why did the former Soviet Union not participate in the United Nations Security Council? The Korean Peninsula is the eastern edge of Asia, bounded by China and Russia to the - DayDayNews

The United States manipulated the United Nations to support Rhee Syngman and formed a United Nations army. Why did the former Soviet Union not participate in the United Nations Security Council? The Korean Peninsula is the eastern edge of Asia, bounded by China and Russia to the

Full record of the War to Resist U.S. Aggression and Aid Korea: The United States supported Rhee Syngman, and the former Soviet Union supported Kim Il Sung in crossing the 38th Parallel.

06/10 1903

The meaning of this sentence is that there are still many honest, good, loyal and trustworthy people, but there are fewer people who are eager to learn. Confucius's main achievement comes from his continuous learning. - DayDayNews

The meaning of this sentence is that there are still many honest, good, loyal and trustworthy people, but there are fewer people who are eager to learn. Confucius's main achievement comes from his continuous learning.

A person's achievements come from continuous learning. Always respect a person who keeps learning.

06/10 1144

Yu Xiuhua suffered from cerebral palsy due to miscarriage and hypoxia during birth, which left her with difficulty moving and slurred speech. After graduating from high school, Yu Xiuhua was idle at home. God has closed a door and opened a window. Yu Xiuhua began to write poems. - DayDayNews

Yu Xiuhua suffered from cerebral palsy due to miscarriage and hypoxia during birth, which left her with difficulty moving and slurred speech. After graduating from high school, Yu Xiuhua was idle at home. God has closed a door and opened a window. Yu Xiuhua began to write poems.

Yu Xiuhua was domestically abused. I wish him to find a better person and break up?

06/10 1572

"Are you really chilled?" "Really." "Why do you say you are chilled? Do you have evidence?" At this moment, you cited unexpected evidence to prove that you were chilled. As you spoke, you couldn't help but Stop crying. - DayDayNews

"Are you really chilled?" "Really." "Why do you say you are chilled? Do you have evidence?" At this moment, you cited unexpected evidence to prove that you were chilled. As you spoke, you couldn't help but Stop crying.

It's heartbreaking, why think too much?

06/10 1896

When people of the opposite sex are together, a woman doesn't want to look at you, and feels that you are an "eyesore" if she looks at you even more. At this time, she is afraid of avoiding you, so how can she treat you gently? You know, when two people get along, The more affect - DayDayNews

When people of the opposite sex are together, a woman doesn't want to look at you, and feels that you are an "eyesore" if she looks at you even more. At this time, she is afraid of avoiding you, so how can she treat you gently? You know, when two people get along, The more affect

When two people get along, the more affectionate a woman is, the more reluctant she is to treat you like this.

06/10 1141

The love letter I wrote to Li Meili was seven years ago, when I was still a freshman at Normal University. At that time, there was a saying among the universities in our city: buns from Hu University, houses from Engineering University, and girls from Normal University. The meani - DayDayNews

The love letter I wrote to Li Meili was seven years ago, when I was still a freshman at Normal University. At that time, there was a saying among the universities in our city: buns from Hu University, houses from Engineering University, and girls from Normal University. The meani

A young girl found a love letter on her desk. Who wrote it?

06/10 1261