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

Why was President John F. Kennedy highly respected in the US military? 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?

Why was President John F. Kennedy highly respected in the US military?

John F. Kennedy, due to poor health, was declared unfit for military service by doctors, but, using the influence of his father (at that time ambassador to Great Britain), in 1941 he entered the Navy and fought against the Japanese as the commander of a torpedo boat.

In 1945, in one of the battles, the boat was sunk, the wounded John F. Kennedy escaped with his team on a Pacific island. In connection with the injury, he had to undergo a surgical operation on the spine in 1956.

John F. Kennedy's combat path led to the great respect that he later enjoyed in the US military.

Author: Kondrashov A.P.

 Random interesting fact from the Great Encyclopedia:

Why did Marvel create a new hearing aid-wearing superhero?

Marvel employees have received a letter asking for help from the mother of 4-year-old boy Anthony Smith. The child was almost completely deaf, and he needed to wear a hearing aid, but he refused to do this, since superheroes do not use such devices. Marvel immediately remembered one of the Hawkeye comics when he was forced to wear a hearing aid due to an injury. The artists created the special, pairing Hawkeye with a new The Blue Ear character inspired by Anthony, who said, "With my machine, I can hear calls for help from anyone in need!" Having received these drawings as a gift from Marvel, the boy began to put on the device with pleasure.

 Test your knowledge! Did you know...

▪ What is a mammal?

▪ Who was the first American president?

▪ What piece of music is planned to be completed by the year 2640?

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

One atom transistor 26.02.2012

ScienceDaily published a report on an advance in the field of microminiaturization of electronics, owned by researchers from the Helsinki Institute of Technology, the Universities of New South Wales and Melbourne. They managed to create a working transistor, the active region of which consists of only one phosphorus atom embedded in a silicon crystal.

Previous attempts to create such a small transistor ran into difficulties with precise positioning of the components.

According to scientists, transistors of this size could become the basis of the electronic chips of the future. Of course, as usual in such cases, it is not just too early to talk about the commercial use of the development, but in general it is hardly appropriate. Meanwhile, the success of scientists can serve as confirmation that in the near future there is still room for reducing the technological standards of semiconductor production.

Other interesting news:

▪ Immunity works according to the season

▪ ultrasonic microphone

▪ Craob X - laptop without connectors

▪ MSP430 with Full-Speed ​​USB 2.0

▪ Likes don't cheer you up

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ section of the website Experiments in Physics. Selection of articles

▪ article The peasant did not have time to gasp, as the bear settled on him. Popular expression

▪ article What are solar flares? Detailed answer

▪ article Mobile mortar mixer operator. Standard instruction on labor protection

▪ article Preparation of toilet soap from previously brewed sound soap. Simple recipes and tips

▪ article Transistor power amplifier of the radio station of the first category. 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