How are sailing regattas held? Detailed answer

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

How are sailing regattas held? Detailed answer

Big encyclopedia for children and adults

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

Did you know?

How are sailing regattas held?

A sailing regatta (race) according to the rules of its conduct consists of many stages, lasting from one to many days. The start is usually given against the wind and goes to a certain pre-designated turning point, from where the ships return to the starting point - this is a variant of the classic regatta. The trapezoid route and the Olympic triangular route are also used.

The result is evaluated according to the international scale in points, and penalty points are awarded for errors. To become a winner, you need to score as few of them as possible.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

What is the continental shelf?

When you talk about the Atlantic Ocean, you only mean the top layer of water. But what is under water, at the bottom of the ocean? Let's imagine that we are traveling from New York east across the Atlantic Ocean. This is the picture of the bottom that will open up to us. For about 320 km, the bottom gradually lowers. It is usually flat, but sometimes has V-shaped valleys and canyons. This is the continental shelf, part of the North American continent. It so happened that it is too low to protrude above the sea.

At a depth of about 360 m, the shelf suddenly ends. It no longer descends smoothly, but breaks off. This is the edge of the continent, or the slope that goes all the way to the bottom of the ocean. Descending along this slope, we find ourselves at a depth of about 4 km. Now we are crossing the ocean at its deepest point. Here the bottom of the ocean is flat. It is called the deep sea plain. Such plains cover about a third of the ocean area and are one of the most flat places on Earth.

If we continue to move along the ocean, then soon we will reach the place of underwater elevations. Some of them look like hills. This is the Mid-Atlantic Ridge. Somewhere around the middle of the range, the hills become higher and steeper, and some rise like mountains to a height of about 1500 m from the bottom. Between the mountains there are deep-water valleys with a flat surface. Right in the middle of the ridge lies the largest underwater valley. It looks like a rift between two parts of the ridge.

If we continue to the east, we will again cross the deep-sea plain, which gently rises to the continental shelf off the coast of Portugal. This is the picture of the bottom of the Atlantic Ocean.

Test your knowledge! Did you know...

▪ How many times is a modern telescope sharper than the human eye?

▪ In which war did the most British soldiers die - if counted as a percentage?

▪ What is the essence of the ideological foundations of medieval Christianity?

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

glass medicine 18.07.2003

British dentists have developed a new way to prevent caries.

On one of the molars at the back, so as not to interfere, the doctor glues a two-millimeter grain of glass of a special composition that can dissolve very slowly in saliva. Fluorine ions are introduced into the glass. Gradually released, they protect tooth enamel from caries.

A side effect of this remedy was also revealed: it eliminates the sensitivity of the teeth to too cold or too hot food, which is characteristic of many. The glass "bead" should be replaced every two years.

Soluble glass will find application in animal husbandry. A glass tablet with trace elements necessary for the animal, such as copper or cobalt, is allowed to be swallowed by a cow. The tablet enters one of the sections of the complex stomach and, gradually dissolving, releases the necessary trace elements.

Other interesting news:

▪ Huawei smart home

▪ Temperature sensor TMP107

▪ Reservoir bombarded with balloons

▪ 3D improves brain function

▪ SilverStone ECU01 expansion card will add 4 USB 3.0 ports

News feed of science and technology, new electronics

Interesting materials of the Free Technical Library:

▪ section of the site Calls and audio simulators. Article selection

▪ article The boy and the puppy. Popular expression

▪ What is the essence of the theory of the "welfare state"? Detailed answer

▪ article Head of the boiler room. Job description

▪ article Three-phase motor in a single-phase network. Encyclopedia of radio electronics and electrical engineering

▪ article A hundred burning cigarettes in one hand. Focus secret

Leave your comment on this article:

All languages of this page

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