This Is the Closest Black Hole to Earth, and You Can See It with a Simple Telescope

2024/05/2116:36:18 science 9385568

This Is the Closest Black Hole to Earth, and You Can See It with a Simple Telescope - DayDayNews

This Is the Closest Black Hole to Earth, and You Can See It with a Simple Telescope - DayDayNews

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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

When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i - DayDayNews

When it comes to invasive alien species, the first thing that comes to everyone's mind is that they have no natural enemies and reproduce wildly, seriously threatening the local ecological balance. Since the spring of 2022, a large number of invasive alien species have appeared i

A large number of white mud ants appear in Qingdao! A boat catches 200 kilograms a day, and not only are they inedible, but they also eat clams

06/09 1094

In Thailand, because most vaccinated people have no symptoms or very mild symptoms when infected with the new coronavirus Omicron variant, many people have the option of quarantining at home. - DayDayNews

In Thailand, because most vaccinated people have no symptoms or very mild symptoms when infected with the new coronavirus Omicron variant, many people have the option of quarantining at home.

Thai experts explain: How long is enough for COVID-19 patients to be quarantined?

06/09 1186

Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943. - DayDayNews

Paris, July 7, local time, France had 161,265 new confirmed patients and 89 new deaths within 24 hours, bringing the total to 149,943.

An increase of 161,000 cases! New variant of COVID-19 detected in Europe! Fuel subsidy launched in October! France plans to limit property tax increases! Pasta and meat prices are going crazy

06/10 1662

Rats are a very disgusting animal. Many people eat the food they just bought at home before they even open it and taste it. People usually gnash their teeth when talking about this animal. From ancient times to the present, people have used various methods to try to eliminate the - DayDayNews

Rats are a very disgusting animal. Many people eat the food they just bought at home before they even open it and taste it. People usually gnash their teeth when talking about this animal. From ancient times to the present, people have used various methods to try to eliminate the

What would happen if all the rats in the world died? Will mankind also suffer catastrophe?

06/09 1366

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field. - DayDayNews

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.

Cell | David Liu and others review the research progress of gene editing vectors

06/09 1876

my country's first artificially bred rabbit cat turns one year old. On July 7, the Internet celebrity "Elder Snake" in Xining Wildlife Park is one year and two months old. "She" is my country's first artificially bred rabbit cat. "She" "It not only fills the gap in the successful - DayDayNews

my country's first artificially bred rabbit cat turns one year old. On July 7, the Internet celebrity "Elder Snake" in Xining Wildlife Park is one year and two months old. "She" is my country's first artificially bred rabbit cat. "She" "It not only fills the gap in the successful

Xining is awesome! For the first time, China achieved

06/09 1073

Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh - DayDayNews

Every spring and summer is the time when most young birds learn survival skills such as leaving the nest to fly and foraging for food. Due to rain, strong winds, physical strength and other reasons, many young birds will accidentally fall from the trees when learning to fly. . Wh

Don't pick up the birds on the roadside! Please let them go home on their own

06/10 1497

There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true? - DayDayNews

There is a terrifying legend circulating deep in the dense forests of Xishuangbanna, Yunnan. There is a man-eating blanket-like monster in the Lancang River that sucks human blood. It is extremely terrifying. Once encountered, there is no possibility of survival. Is this true?

The "blood-sucking blanket" in the Xishuangbanna River drags animals into the water and eats them. What kind of animal is it?

06/10 1236

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l - DayDayNews

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l

Intelligent slime mold

06/11 1668

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio - DayDayNews

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio

Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.

06/11 1169

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S. - DayDayNews

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.

Water was discovered in ancient galaxies, which surprised astronomers. What happened?

06/11 1154

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th - DayDayNews

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th

Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level

06/11 1511

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality. - DayDayNews

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.

Introduction to applicable industries of mycotoxin detectors

06/11 1040

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can - DayDayNews

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can

Instructions for using online residual chlorine analyzer

06/11 1125

The General Office of the Ministry of Housing and Urban-Rural Development and the General Office of the National Development and Reform Commission issued a notice on June 27, requiring all localities to carry out scientific and orderly aging assessments of urban gas pipelines, pl - DayDayNews

The General Office of the Ministry of Housing and Urban-Rural Development and the General Office of the National Development and Reform Commission issued a notice on June 27, requiring all localities to carry out scientific and orderly aging assessments of urban gas pipelines, pl

7 explosions in a row! 5 dead and 60 injured! Transform now!

06/14 1030

Dear parents and dear students: The long winter vacation is coming to an end, and the school will officially start on February 17, 2022. The return to school instructions are now announced as follows. We hope that all parents and students will read it carefully and be prepared to - DayDayNews

Dear parents and dear students: The long winter vacation is coming to an end, and the school will officially start on February 17, 2022. The return to school instructions are now announced as follows. We hope that all parents and students will read it carefully and be prepared to

The school is calling you "go home" as spring flowers bloom": Instructions for the 2022 spring semester of Dongchang East School in the Development Zone

06/14 1667

The work of dual support is related to the overall work of the party and the country, as well as the overall development of national defense and the army. Doing a good job in dual support under the new situation is extremely important to achieving the party's goal of strengthenin - DayDayNews

The work of dual support is related to the overall work of the party and the country, as well as the overall development of national defense and the army. Doing a good job in dual support under the new situation is extremely important to achieving the party's goal of strengthenin

Draw two concentric circles of support and compose a song of volunteer support for the army

06/14 1404

On June 29, Linwei District Charity Association, Linwei District Education Bureau, and caring enterprises jointly launched a donation activity of "Love Donation Helps Growth, Emotional Education Warms People's Hearts" at Yangguo Town Central Primary School. - DayDayNews

On June 29, Linwei District Charity Association, Linwei District Education Bureau, and caring enterprises jointly launched a donation activity of "Love Donation Helps Growth, Emotional Education Warms People's Hearts" at Yangguo Town Central Primary School.

Linwei District Charity Association and Linwei District Education Bureau jointly carry out charity donation activities with caring enterprises

06/14 1772

News from our newspaper (all-media reporter Liu Min) On October 21, all-media reporters from Liaocheng Evening News learned from the Liaocheng Recruitment Center that there will be two large-scale examinations in our city from October 24th to 25th and October 31st. Among them, th - DayDayNews

News from our newspaper (all-media reporter Liu Min) On October 21, all-media reporters from Liaocheng Evening News learned from the Liaocheng Recruitment Center that there will be two large-scale examinations in our city from October 24th to 25th and October 31st. Among them, th

For these two exams, 76,000 candidates in Liaocheng took the exams

06/14 1514

The south entrance of Huabichang Hutong in 1961. October 16, 2011 was the third Archives Day in Beijing. I had the honor to walk into the Xicheng Archives and participate in the "Archives" themed "The 10th Anniversary Symposium of "Xicheng Memory"" "Day" activity, and received th - DayDayNews

The south entrance of Huabichang Hutong in 1961. October 16, 2011 was the third Archives Day in Beijing. I had the honor to walk into the Xicheng Archives and participate in the "Archives" themed "The 10th Anniversary Symposium of "Xicheng Memory"" "Day" activity, and received th

Memory of the Capital - Reminiscing about the old shops in the surrounding area from old photos of Huabichang Hutong

06/14 1282