Deljewitzki
Bio
Science is no national boundaries, but scholars has his own country
Stories (37/0)
Why don't we use sand from the desert to build houses?
About 20% of the earth's land surface is desert, and almost all of the ground in these barren areas is covered by thick sand, such as the famous Sahara Desert, whose average thickness of sand can be as high as about 150 meters.
By Deljewitzki2 years ago in Earth
What would happen if 400 billion billion billion tons of water were poured on the sun
The Earth is the only home for human beings in the universe, and an essential reason for the Earth to be as habitable as it is now is the light and heat from the sun. Nevertheless, we Earthlings still have some strange and weird ideas about the sun from time to time, and one of the most common ones should be, can we douse the sun by pouring a lot of water on it?
By Deljewitzki2 years ago in Earth
When the Titanic was sunk by an iceberg, why didn't the people on board take refuge in the iceberg?
In 1912, the "unsinkable" Titanic sank at the bottom of the Atlantic Ocean on its first official voyage, making it the most tragic maritime disaster in human history in terms of casualties. In the sinking, 1,517 of the 2,224 crew members and passengers lost their lives forever.
By Deljewitzki2 years ago in Earth
What was the bizarre creature caught in China 40 years ago?
One night in the summer of 1995, a fisherman in the Hangzhou Islands ran into the local management department to report a case, the fisherman reflected: in the sea outside the Hangzhou Islands, they found a person with a fishtail beauty, beautiful bun hair messy, sitting on the reef by the sea, it looked at the white moon rising in the sky, and let out a low and strange cry. After receiving the report, the local organization quickly rushed to the sea, but when they came to the fishermen said the place, found the coastal reefs empty, only the white moon still hanging in the air, and the seawater kept hitting the reefs, making a clattering sound. Due to the lack of evidence, the matter was left unresolved. This is an account of the mermaid, the matter was published in the local newspaper, a time that set off a craze for mermaid research. In fact, in the history of ancient and modern China and abroad, on the "mermaid" records, it can be said that there are endless, variety of well-documented mermaid legends and sightings, making the mermaid has become a mystery for ages.
By Deljewitzki2 years ago in Earth
U.S. satellite found an unidentified object, the world is not calm, is accelerating to China
During the Cold War, the United States and the Soviet Union continued to develop their respective armaments and even touched space, and after the end of the Cold War, these artificial satellites, which were once placed in the Earth's orbit, became the best tool to observe the Earth, and people finally saw the full picture of the beautiful blue planet of the Earth. With more and more artificial satellites going up smoothly, there seems to be no dead spot on the earth that we can't observe, and GPS can pinpoint people's location and give the nearest route to their destination. However, American satellites have previously photographed an unidentified object floating in the sea, which seems to be a newly formed land mass at least three times the size of Japan, and is accelerating toward China. This news came out, and the world is not calm, because all countries want to have more territory, for this newly formed continent how to allocate, is not float which country will belong to which country, this is the problem.
By Deljewitzki2 years ago in Earth
Japanese submarine penetrated 10,000 meters into the seafloor and captured a marine creature that gave humans a wake-up call
Earth is one of the eight planets in our solar system, and it is the third in order of proximity to the Sun. From its appearance, Earth is an azure planet, also because 71% of its surface area is covered by oceans, and there are four major oceans on Earth: the Pacific, Atlantic, Indian, and Arctic Oceans.
By Deljewitzki2 years ago in Earth
What does the disappearance of the Yangtze River beluga sturgeon tell us about mankind?
On July 21, 2022, the INDUCT updated the list of globally endangered species once again, in which the Yangtze River white sturgeon, a species endemic to the Yangtze River in China, has been declared extinct, not only making people feel sorry for it.
By Deljewitzki2 years ago in Earth
What exactly is teriyaki? Why can it be worth millions of dollars and is it worth every penny?
A few days ago, an auction company aborted the news suddenly reappeared online, 2020 Mr. Mo, who lives in Dalian City, went out on the way to a road near Fuzhou Bay in Jinni New Area and accidentally found a soft texture of the "stump", the "stump" was cylindrical, about half a meter high, the whole body reddish-brown weighing hundreds of pounds, the follow-up Mr. Mo asked a specialist to identify the stump confirmed that the hundred pounds of "stump "is the legendary Taiyuan.
By Deljewitzki2 years ago in Earth
NASA spacesuit leaks again, how dangerous is it? There have been astronauts who nearly drowned
In our impression, the United States seems to spend money "big", to complete the Apollo manned lunar landing program, almost all the country's efforts, huge human, material, and financial resources, and finally, in 1969 the first manned lunar landing was completed. After the manned lunar landing program, the United States also manufactured a reusable space shuttle. It seems that the financial strength of the United States, but sometimes also to repair, a device with decades, for example, the United States is now using the spacesuit has been more than 40 years.
By Deljewitzki2 years ago in Earth
Is the "mirage" really just an optical phenomenon? Scientists have offered two conjectures on this
On the vast planet Earth, there are many phenomena that we can not explain, some phenomena are naturally formed, but the current human technology can not give a reasonable explanation, and some phenomena are more mysterious and look very simple, but the more you study the more mysterious it is found. One of the "mirages" is a simple-looking, but not simple phenomenon.
By Deljewitzki2 years ago in FYI