Fiber optic cables: How they work

2024/04/2414:04:05 science 6824170

Fiber optic cables: How they work - DayDayNews

Fiber optic cables: How they work - DayDayNews

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In recent years, our country has raised the concept of environmental protection to an unprecedented new level. The vast majority of Chinese people no longer miss the days when wild animals were regarded as food. Everyone naturally regards living creatures as neighbors and even fr - DayDayNews

In recent years, our country has raised the concept of environmental protection to an unprecedented new level. The vast majority of Chinese people no longer miss the days when wild animals were regarded as food. Everyone naturally regards living creatures as neighbors and even fr

In order to protect the cubs, female bears in the wild have learned to seek help from humans and deal with violent males in estrus.

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Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One - DayDayNews

Mangroves, made up of salt-loving trees, shrubs and shrubs, play an important role in providing waterfowl habitat and preventing coastal erosion. Because the areas they occupy are also viable for aquaculture, however, these watery forests face continued development pressure. One

"Space Observation" Ramsar Convention and Vietnam Wetlands

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pixabay.com State-owned enterprises have stepped out of the "high wall" to promote the scientific and technological achievements they have developed to the society. - DayDayNews

pixabay.com State-owned enterprises have stepped out of the "high wall" to promote the scientific and technological achievements they have developed to the society.

China National Nuclear Corporation joins hands with the national technology market to promote the latest scientific and technological achievements to the society

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Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland". - DayDayNews

Recently, China Forestry Press held a symposium on the theory and technology of grassland ecological restoration and a new book launch of "Main Technical Models of Ecological Restoration of Degraded Grassland".

Commissioned by the National Bureau of Investigation, this major achievement was officially released! It is the first time in the country for an academician to write a preface!

05/17 1924

Recently, a latest research jointly conducted by Chinese and foreign scientists successfully achieved direct imaging of the protostellar disk at the center of the Milky Way, "seeing" the "cradle of stars" at the center of the Milky Way for the first time. According to Chinese res - DayDayNews

Recently, a latest research jointly conducted by Chinese and foreign scientists successfully achieved direct imaging of the protostellar disk at the center of the Milky Way, "seeing" the "cradle of stars" at the center of the Milky Way for the first time. According to Chinese res

Dianjing Technology｜Humanity “sees” the protostellar disk for the first time

05/18 1052

A new study examines the living conditions of dinosaurs before the disaster, which may help scientists better understand the consequences of contemporary climate change. One day 6 million years ago, the end came and life came to an abrupt end. An asteroid impact roughly closed th - DayDayNews

A new study examines the living conditions of dinosaurs before the disaster, which may help scientists better understand the consequences of contemporary climate change. One day 6 million years ago, the end came and life came to an abrupt end. An asteroid impact roughly closed th

If the earth had not been hit by an asteroid, would the dinosaurs have perished on their own?

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1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.” - DayDayNews

1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”

19 photos of natural beauty that will completely mesmerize you

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Xinhua News Agency, Xining, July 3 (Reporter Li Ning, Geng Huihuang) Brown bears passing through the forest, graceful snow leopards, playful and cute desert cats... In recent years, as the ecological environment continues to improve and the ability to capture the traces of living - DayDayNews

Xinhua News Agency, Xining, July 3 (Reporter Li Ning, Geng Huihuang) Brown bears passing through the forest, graceful snow leopards, playful and cute desert cats... In recent years, as the ecological environment continues to improve and the ability to capture the traces of living

Please note! There are brown bears and snow leopards here

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Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to - DayDayNews

Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to

"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?

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Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in - DayDayNews

Atoms were once considered to be the basic particles of everything in the world, but later people discovered that atoms are composed of nuclei and electrons, and there is a vast space between the nuclei and electrons. How vast is it specifically? Let us take the simplest atom in

What exists in the vast space between the nucleus and the electrons? Is it an absolute vacuum?

05/18 1428

Using the locust disaster as a clue and Lockwood's arrest as an auxiliary clue, the plot unfolds bit by bit, going through the black market transactions, dinosaur park, isolation zone, and successful rescue. Because it is a 3D effect, the picture is very good. It's amazing, espec - DayDayNews

Using the locust disaster as a clue and Lockwood's arrest as an auxiliary clue, the plot unfolds bit by bit, going through the black market transactions, dinosaur park, isolation zone, and successful rescue. Because it is a 3D effect, the picture is very good. It's amazing, espec

Jurassic World 3 - Thoughts

05/19 1894

In recent years, China has developed rapidly in the aerospace field. In fact, this can be seen from a series of remarks by NASA Administrator Nielsen, because he will mention China and criticize China on more and more occasions. - DayDayNews

In recent years, China has developed rapidly in the aerospace field. In fact, this can be seen from a series of remarks by NASA Administrator Nielsen, because he will mention China and criticize China on more and more occasions.

Another weird comment! NASA Director: Beware of "China Occupying the Moon", Netizens: The situation is really low

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The rarest and most bizarre aquatic creatures in the world, many people have seen them for the first time. Which ones have you seen? Type 4: Dumbo Octopus, don’t you think it’s cute when you hear this name? It was discovered by marine biologists at 1,600 meters on the bottom of t - DayDayNews

The rarest and most bizarre aquatic creatures in the world, many people have seen them for the first time. Which ones have you seen? Type 4: Dumbo Octopus, don’t you think it’s cute when you hear this name? It was discovered by marine biologists at 1,600 meters on the bottom of t

Continuing with what we mentioned in the last issue, weird and weird creatures, let’s take a look at the different ones today.

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On July 1, the official website of the New Cornerstone Researcher Program released the latest application guidelines. The "New Cornerstone Researcher Project" is a new basic research funding project led by scientists and funded by Tencent. It is a public welfare and independently - DayDayNews

On July 1, the official website of the New Cornerstone Researcher Program released the latest application guidelines. The "New Cornerstone Researcher Project" is a new basic research funding project led by scientists and funded by Tencent. It is a public welfare and independently

The big project is coming! 60 people will receive five-year funding, RMB 3-5 million per year

05/19 1439

On June 23, 2022, Ansuman T. Satpathy's team from Stanford University published an article titled Genome-wide CRISPR screens of T cell exhaustion identify chromatin remodeling factors that limit T cell persistence in Cancer Cell. - DayDayNews

On June 23, 2022, Ansuman T. Satpathy's team from Stanford University published an article titled Genome-wide CRISPR screens of T cell exhaustion identify chromatin remodeling factors that limit T cell persistence in Cancer Cell.

Genome-wide CRISPR screen reveals chromosomal remodeling critical for maintenance of exhausted T cells

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Note: IND=investigational new drug, BLA=biologics license application. - DayDayNews

Note: IND=investigational new drug, BLA=biologics license application.

Development of Clinical-Grade Cell Therapies: A Basic Overview

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Today, with the development of the Internet, some families of big company bosses have attracted everyone's attention. Objectively speaking, the achievements of some daughters have "surpassed" that of their sons. Although they have not already surpassed their sons, objectively spe - DayDayNews

Today, with the development of the Internet, some families of big company bosses have attracted everyone's attention. Objectively speaking, the achievements of some daughters have "surpassed" that of their sons. Although they have not already surpassed their sons, objectively spe

The representative "daughters" of major companies in various countries can each be worth half of the sky and can be called the mainstay.

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Today, a Yongfu man brought back my memories. His name is Chen Delong, who founded the Golden Flower Tea Town in Nanning, Guangxi. In the past two years, several acquaintances invited me to go on a field trip. Due to the epidemic, I have not been able to make the trip. - DayDayNews

Today, a Yongfu man brought back my memories. His name is Chen Delong, who founded the Golden Flower Tea Town in Nanning, Guangxi. In the past two years, several acquaintances invited me to go on a field trip. Due to the epidemic, I have not been able to make the trip.

Can Golden Flower Tea add another touch of glory to "China's Yongfu"?

05/19 1814

——2006-2-18 (An'an is three years old) On the morning of February 18, 2006, I rode to Carrefour Supermarket to buy some odds and ends. When I got home, it was already after one o'clock. The dining room was quiet, and the table was quiet. The dishes were placed, and it looked like - DayDayNews

——2006-2-18 (An'an is three years old) On the morning of February 18, 2006, I rode to Carrefour Supermarket to buy some odds and ends. When I got home, it was already after one o'clock. The dining room was quiet, and the table was quiet. The dishes were placed, and it looked like

I'm waiting for you to come back

05/19 1445

The days go by so fast, and it’s almost the Mid-Autumn Festival. Today I specially bought my favorite persimmons and snails to enjoy while enjoying the moon. Cutting off the tails of the snails one by one, I couldn't help but recall the farce of picking persimmons and touching sn - DayDayNews

The days go by so fast, and it’s almost the Mid-Autumn Festival. Today I specially bought my favorite persimmons and snails to enjoy while enjoying the moon. Cutting off the tails of the snails one by one, I couldn't help but recall the farce of picking persimmons and touching sn

My experience as a "thief"

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The scenery in life should be paid more attention to than the scenery outside, because the space you live in every day is your day and night. Every corner of your home is a place you look at all the time. Decorate these to your ideal appearance, and the pleasing comfort can be re - DayDayNews

The scenery in life should be paid more attention to than the scenery outside, because the space you live in every day is your day and night. Every corner of your home is a place you look at all the time. Decorate these to your ideal appearance, and the pleasing comfort can be re

"When the Sunset Enters the Courtyard" allows space aesthetics to shine into warm life

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[Course Time] Morning of July 2nd [Teacher Profile] Luo Huayu, a senior teacher in primary and secondary schools, director of the Information Center of Chongqing No. 29 Middle School. 2014 State Council Special Allowance Expert Candidate, National Advanced Individual in Teacher E

2022 Southwest University training and study briefing for key teachers of No. 1 Middle School in Sichuan Science City (7)

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