25:34
Recommended
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
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
If you neglect them, they will rot. Dr. Estelle Lazar, a forensic archaeologist from the University of Sydney, spoke to ABC News about your pearly whites after death.
What happens to your teeth when you die
05/21
1755
Midsummer has arrived, and it’s the time of year when people have the most intensive outdoor activities. How is the air quality in various places? Ministry of Ecology and Environment: Moderate ozone pollution will occur in many places in the first half of July. The Ministry of Ec
Let’s ask the question: Moderate ozone pollution will occur in many places in the first half of July. How to control and protect it? (CCTV News)
05/22
1818
The 6,000-meter deep sea is a world that is difficult for humans to reach. Some scientists once said that compared with the detection of the deep sea world, space exploration may be simpler. The deep sea is always deep and mysterious. During the Cold War between the United States
2.53 meters long! Strange fish found 2,000 meters deep in Japan, looks fierce: Experts think it is unusual
05/22
1525
New Horizons brings new helpers to visible stars Introduction: After the completion of New Horizons' main mission, it will become the first mission to explore Kuiper Belt objects and will become part of a longer-distance survey project heading out of the solar system . ——The New
New Horizons, which recruits amateurs to stargaze together, is it very high-end?
05/21
1327
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
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
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
[Source: Sichuan Ecological Environment] List of recommended search keywords for Sichuan Ecological Environment: Green Pioneers, the most beautiful grassroots environmentalists, illegally purchased red pandas, traded pangolin flake products, macaques, musk, and illegally caught w
Illegal acquisition of red pandas? Sichuan announces top ten typical cases of combating crimes that damage biodiversity
05/21
1178
Relation Video
science Relation Video
Site video recommendation
science Latest News
"China wants to occupy the moon" - NASA Administrator Nelson's accusation against China in an exclusive interview with Germany's Bild newspaper became an international joke this weekend. Some foreign media also quoted his words with a strong sense of irony: For example, an articl
It became an international joke! What is the origin of the man who said "China wants to occupy the moon"?
05/23
1368
1. In 2021, a piece of news officially announced by Canada caused quite a stir in the entire scientific community. According to relevant news, Canadian officials discovered a female sub-adult wolf cub in the permafrost area. Interestingly, this little wolf died about 57,000 years
The permafrost is melting massively, and the remains of prehistoric creatures have appeared. Is this a new crisis for mankind?
05/23
1663
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
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
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
Cattail: looks like a "sausage" and is common near water. It has many values and is full of treasures.
05/23
1252
Site Latest News
Time flies by and I feel helpless that time has changed. King of Kings now has two or three skins launched every week. Even if there are no new skins, there will be other new star skins and remodeled skins launched. No! Recently there has been news about a new skin.
Yu Ji Tianxiu’s new e-sports skin is revealed, Han Xin’s special envoy of the Holy See is reshaped and upgraded, and the preface of Yixing Tengwang Pavilion is revealed
05/24
1896
Time disappears quickly, and I have no choice but to lament the passage of time. Seeing that this year 2022 has entered the second half of the year, the official seventh anniversary celebration will be launched around October. Before you know it, King of Kings has accompanied pla
The 2022 Anniversary Limited Edition was first revealed, Wukong Sun Walker’s return was confirmed, Xi Shi Dunhuang raided, Lan smiled
05/24
1355
On May 19, the fashion magazine "InStyle" released the behind-the-scenes photos of the winners of the "53rd Baeksang Arts Awards" award ceremony.
"Baeksang Arts Awards" behind-the-scenes photos released, Gong Yoo, Park Bo Gum and others show off their eye-catching looks
05/24
1347
Reporter Wu Ruici/Comprehensive Report South Korea's "temperament goddess" Son Ye-jin has been in the film industry for many years and has produced many representative works. Her elegant and beautiful image is deeply rooted in people's hearts. On the 22nd, she posted on Instagram
South Korea's 6 classic goddesses in the same frame! Kong Hyo-jin, Son Ye-jin and others have incredible beauty despite their age
05/24
1271
Song Hye Kyo has been staying in New York since her divorce. At the beginning, foreign media revealed that Song Hye Kyo was preparing to develop a foreign advertising career, and on the other hand, she was also fully prepared for her academic studies. In fact, after two years of
Recent photos of Song Hye Kyo’s life in New York: At the age of 39, she has gained weight and is more beautiful than before with her long hair
05/24
1050
Ever since Son Ye-jin and Hyun Bin recognized their love, fans have been looking forward to the leakage of photos of the two together. But before the "Crash Landing" couple took any photos together, a photo of Son Ye-jin and a strange man playing golf hand in hand went viral on t
Son Ye-jin plays golf with a strange man, and netizens make fun of photos taken with Hyun Bin
05/24
1896