Menu English Ukrainian russian Home

Free technical library for hobbyists and professionals Free technical library


EFFECTIVE FOCUSES AND THEIR CLUES
Free library / Directory / Spectacular tricks and their clues

Spectacular tricks and their clues

Spectacular tricks and their clues

Directory / Spectacular tricks and their clues

Comments on the article Comments on the article

Tricks with balls:

See other articles Section Spectacular tricks and their clues:

See also: Experiments in physics and chemistry at home

500 interesting experiments in physics and chemistry for children:

 


 

Latest news of science and technology, new electronics:

Blinking of the magician and his audience 19.05.2024

Magic and illusions have always captured the attention of the public, but what happens behind the scenes of the magician and in the brains of his audience? Scientists from the UK decided to solve this mystery by conducting a new study involving ten illusionists of varying experience. Illusionists, some of whom had been practicing magic for more than half a century, others for only six months, were invited to demonstrate the same trick - the popular coin trick. Recordings of their performances during training and on stage showed that each of them began to blink significantly more often at the moment of performing the trick. The study's findings indicate that magicians' blink rate may be related to unconscious aspects of their performance. At the same time, as scientists have found, spectators also begin to blink more often, following the movements of the illusionist. This observation supports the idea that magicians may be catalysts for blinking in audiences. Additional research has shown that magicians blink more often during ... >>

Ultrasonic coffee machine 19.05.2024

Iced coffee has become an integral part of coffee culture in recent years. Therefore, engineers from the University of New South Wales decided to improve its preparation. They have developed an ultrasonic coffee machine that reduces the cold brew time for ground coffee beans from 12-24 hours to significantly less time. Iced coffee, or "Cold brew", is popular due to its smoothness, low acidity and low bitterness. It is prepared by steeping ground coffee in cold water for a long time. Unlike traditional hot brewing, which often imparts bitterness to coffee, cold brewing extracts more delicate and complex flavors from the coffee beans. The innovative system, presented by a team of engineers, introduces ultrasonic technology into the coffee preparation process. The system uses ultrasonic waves to speed up the process of extracting oils, flavor and aroma from ground coffee. This allows you to significantly reduce the time ... >>

The speech of sperm whales is similar to that of humans 18.05.2024

In the world of the ocean, where the mysterious and unknown coexists with the studied, sperm whales, with their huge brains, are of particular interest to science. Researchers, working with a huge array of audio recordings collected during the Dominica Sperm Whale Project (DSWP) - more than 8000 recordings, seek to unravel the secrets of their communication and understand the structure and complexity of the language of these mysterious creatures. By studying in detail the recordings of 60 sperm whales in the eastern Caribbean, scientists have revealed surprising features of their communication, revealing the complexity of their language. "Our observations indicate that these whales have a highly developed combinatorial communication system, including rubato and ornaments, which indicates their ability to quickly adapt and vary during communication. Despite significant differences in evolution, sperm whales have elements in their communication that are characteristic of human communication," says Shane Gero, a biologist at Carleton University and director of the CETI project. Issl ... >>

Random news from the Archive

Biopolymers vs. petroleum products 16.12.2015

By using bio-based materials to replace petroleum feedstocks, Ford has been able to significantly reduce environmental pollution, save on production costs and reduce vehicle weight.

One of the main tasks of the automotive industry, Ford considers environmental care. The use of reproducible natural materials and recycled raw materials has led to significant results in terms of reducing carbon dioxide emissions and saving oil, which are spent, for example, on interior design. In addition, the automaker saves approximately $10 million a year by using recycled materials.

Myra Magnani, Biological Materials Specialist, told us how the recycling of natural materials is used in the creation of Ford vehicles. For example, one car requires about 70 kg of rubber. Dandelion roots in this regard are a natural source for latex.

Soybeans are used in the manufacture of cushions, headrests and seatbacks, as well as roof upholstery. Soybeans were first used to make seats in the Ford Mustang in 2008. For every Ford built in North America, 31 soybeans are consumed. The use of this product reduces carbon dioxide emissions by more than 251 million kg. per year and saves 9 million kg. oil.

Wheat straw is used in the manufacture of plastic. "Straw plastic" is used, for example, to create storage systems inside the Ford Flex. Its use allows saving 9000 kg in production. oil and reduces carbon dioxide emissions by 13 kg. in year. In addition, the use of new plastic allows you to reduce the weight of the car for greater fuel economy.

Made from 100% corn, the polyacid polymer (PLA) used in car floor mats, upholstery and trim has several advantages over petroleum-based plastics. Firstly, "corn polymer" is cheaper and more environmentally friendly, and secondly, it is biodegradable (within 90 to 120 days).

Other interesting news:

▪ The cage backs up

▪ The magnet stops you from lying

▪ Electricity generation during wood drying

▪ Mathematical Secrets of the Perfect Snowman

▪ Data transmission from the brain to the computer through the veins

News feed of science and technology, new electronics

 

Interesting materials of the Free Technical Library:

▪ section of the website Residual current devices. Selection of articles

▪ article by David Hume. Famous aphorisms

▪ article How do insects breathe? Detailed answer

▪ article Traffic Safety Engineer. Job description

▪ article Flashlight with an incandescent lamp. Encyclopedia of radio electronics and electrical engineering

▪ article Three tricks with coins. Focus Secret


All languages ​​of this page

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

www.diagram.com.ua

www.diagram.com.ua
2000-2024