Technology

Wednesday, 17 December 2025
18 facts about Internet
18 facts about Internet
A global network of unlimited possibilities
The internet is now more than 30 years old. During this time, it has developed in a direction unimaginable to those who witnessed its creation. Initia ...

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Kerosene lamp
Naphtha, one of the lighter (0.78-0.81 g/cm3) fractions of petroleum, is almost as old as medicine.
Its use is first reported as early as the ninth century by the Persian physician, alchemist, and phi ...
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Antonov An-225 Mriya
Only one flying example of the aircraft was built.
The second planned An-225 was only partially built, with an unfinished skeleton and plating.
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Three Gorges Dam
Approximately 1,400 archeological sites were destroyed by the reservoir water, and the overall appearance of the Three Gorges changed.
Many exhibits were either destroyed or partially damaged. There were many relics that were impossibl ...
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Steel
Most types of steel melt between 1370°C (2500°F) and 1500°C (2732°F).
The melting temperature depends on its composition. In general, high-alloyed steels containing more alloying elements have higher melting points than low-alloyed steels.
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Internet
Every minute more than 500 minutes of video content is added to YouTube’s resources.
The variety of materials is huge, which allows everyone to find something for themselves.According t ...
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Kerosene lamp
However, Łukasiewicz did not stop his distillation attempts and finally found the proper fraction, collected at the temperature of 250-350 °C (482 - 662 °F), devoid of light petrols and heavy hydrocarbons.
The resulting kerosene burned very well, so Łukasiewicz decided to use it for lighting rooms.
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Kerosene lamp
The kerosene lamp was more efficient than candles and cheaper to operate than oil and gas lighting.
The first kerosene lamps were lit in Lviv as early as March 1853, and they came into general use in 1860-1865.
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Steel
The most produced type of steel is carbon steel. It is made of carbon and iron and accounts for about 90% of the world's steel production.
It can have aditional elements but in small quantities. Carbon steel is used in the construction of ...
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Three Gorges Dam
Its construction lasted from 1994 to 2006.
It was officially opened in 2008 but achieved full functionality in 2012.
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Antonov An-225 Mriya
The wingspan of the An-225 is 88.4 meters and the length of the fuselage is 84 meters. The aircraft’s height is 10.10 meters.
The lifting area of this giant is 905 square meters.
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24 facts about Antonov An-225 Mriya
24 facts about Antonov An-225 Mriya
Like a phoenix from ashes
It is the heaviest though not the largest of the aircraft constructed to date. Although it was created in the communist realities of the USSR, and its ...
14 facts about steel
14 facts about steel
Just a bit of carbon changes everything
Steel is a highly versatile and durable material used in a wide range of industries, including construction, automotive, aerospace, and manufacturing. ...
12 facts about Three Gorges Dam
12 facts about Three Gorges Dam
The biggest hydroelectric power plant on Earth
The Three Gorges Dam is most certainly one of the biggest undertakings in human history. Constructed on the Yangtze River in China, it is the largest ...
13 facts about Kerosene lamp
13 facts about Kerosene lamp
A Polish invention
The kerosene lamp was the invention of a brilliant pharmacist, a Pole, Ignacy Lukasiewicz. As an employee of a pharmacy selling kerosene for medical p ...