Menu English Ukrainian russian Home

Free technical library for hobbyists and professionals Free technical library


BIG ENCYCLOPEDIA FOR CHILDREN AND ADULTS
Free library / Directory / Big encyclopedia for children and adults

How big are the irregularities on the earth's surface compared to the size of the planet? Detailed answer

Big encyclopedia for children and adults

Directory / Big encyclopedia. Questions for quiz and self-education

Comments on the article Comments on the article

Did you know?

How big are the irregularities on the earth's surface compared to the size of the planet?

The largest difference in the heights of the earth's relief takes place between the peaks of the Andes and the deep-sea basin, which stretches along the western coast of South America, and is about 14 kilometers. If we take into account that the average diameter of the Earth is 12 kilometers, then the indicated "roughness" is approximately 742 percent of the Earth's diameter.

Is it a lot or a little? If we depict the Earth as a globe with a diameter of 1 meter, then the height of this "roughness" should be equal to only 1 millimeter.

Author: Kondrashov A.P.

 Random interesting fact from the Great Encyclopedia:

Can hormone injections mimic exercise to fight obesity?

In humans and other mammals, there are two types of fat cells - white and brown. It is white fat cells that are associated with obesity and overweight, while brown fat cells are much more active in helping the body make up for the energy deficit by burning calories. Recently, scientists have discovered that exercise causes the release of a previously unknown hormone, irisin, which causes white fat to turn brown and also increases the body's sensitivity to glucose. Experiments conducted on mice have shown that simple injections of irisin without physical activity help to reduce weight. It is assumed that drugs based on this hormone will dramatically increase the effectiveness of the treatment of obesity and diabetes.

 Test your knowledge! Did you know...

▪ Why does lightning accompany thunder?

▪ Why does a tree shed its leaves in autumn?

▪ What molluscs are able to hide from predators by moving on land?

See other articles Section Big encyclopedia. Questions for quiz and self-education.

Read and write useful comments on this article.

<< Back

Latest news of science and technology, new electronics:

Machine for thinning flowers in gardens 02.05.2024

In modern agriculture, technological progress is developing aimed at increasing the efficiency of plant care processes. The innovative Florix flower thinning machine was presented in Italy, designed to optimize the harvesting stage. This tool is equipped with mobile arms, allowing it to be easily adapted to the needs of the garden. The operator can adjust the speed of the thin wires by controlling them from the tractor cab using a joystick. This approach significantly increases the efficiency of the flower thinning process, providing the possibility of individual adjustment to the specific conditions of the garden, as well as the variety and type of fruit grown in it. After testing the Florix machine for two years on various types of fruit, the results were very encouraging. Farmers such as Filiberto Montanari, who has used a Florix machine for several years, have reported a significant reduction in the time and labor required to thin flowers. ... >>

Advanced Infrared Microscope 02.05.2024

Microscopes play an important role in scientific research, allowing scientists to delve into structures and processes invisible to the eye. However, various microscopy methods have their limitations, and among them was the limitation of resolution when using the infrared range. But the latest achievements of Japanese researchers from the University of Tokyo open up new prospects for studying the microworld. Scientists from the University of Tokyo have unveiled a new microscope that will revolutionize the capabilities of infrared microscopy. This advanced instrument allows you to see the internal structures of living bacteria with amazing clarity on the nanometer scale. Typically, mid-infrared microscopes are limited by low resolution, but the latest development from Japanese researchers overcomes these limitations. According to scientists, the developed microscope allows creating images with a resolution of up to 120 nanometers, which is 30 times higher than the resolution of traditional microscopes. ... >>

Air trap for insects 01.05.2024

Agriculture is one of the key sectors of the economy, and pest control is an integral part of this process. A team of scientists from the Indian Council of Agricultural Research-Central Potato Research Institute (ICAR-CPRI), Shimla, has come up with an innovative solution to this problem - a wind-powered insect air trap. This device addresses the shortcomings of traditional pest control methods by providing real-time insect population data. The trap is powered entirely by wind energy, making it an environmentally friendly solution that requires no power. Its unique design allows monitoring of both harmful and beneficial insects, providing a complete overview of the population in any agricultural area. “By assessing target pests at the right time, we can take necessary measures to control both pests and diseases,” says Kapil ... >>

Random news from the Archive

By talking with adults, children develop the brain 16.08.2018

Young children who regularly talk to adults have stronger connections between two developing brain regions responsible for understanding and producing language.

The results obtained are not related to parental income and education. Researchers believe that interacting with children from an early age can help develop language skills, regardless of their socioeconomic status.

Thus, this contradicts the results obtained in the early 1990s. Then studies were carried out that established a connection between socioeconomic status and brain development in children. The so-called "word gap" - an influential finding of the early 1990s - stated that school-age children who grew up in households with low SES heard 30 million fewer words than their more affluent classmates.

In the new study, researchers analyzed 40 children aged four to six and their parents from different socioeconomic backgrounds and found that more spoken translations (measured over the weekend with a home recording device) corresponded to stronger connections between Wernicke and Brock. Wernicke's speech area is responsible for the assimilation of written and oral speech, and Broca's region is responsible for speech reproduction.

Other interesting news:

▪ Kite received a bionic prosthetic leg

▪ Visual stimuli amplify sound

▪ Walking as a cure for depression

▪ Samsung's New LM281D+ Series LEDs

▪ Talk to your safe

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ section of the site Stories from the life of radio amateurs. Selection of articles

▪ article Drilling rig. History of invention and production

▪ article How long has body temperature been considered one of the indicators of human health? Detailed answer

▪ Knikus article. Legends, cultivation, methods of application

▪ article Intercom. Encyclopedia of radio electronics and electrical engineering

▪ article Three variants of self-made Anti-AON. Encyclopedia of radio electronics and electrical engineering

Leave your comment on this article:

Name:


Email (optional):


A comment:





All languages ​​of this page

Home page | Library | Articles | Website map | Site Reviews

www.diagram.com.ua

www.diagram.com.ua
2000-2024