Technology

The popularity of online e-commerce is growing every year.

The Internet is used by more than 4,9 billion people, which makes up almost 64 percent of all humanity.

Stainless steel contains a minimum of 11% chromium. It is characterized by superior biological cleanability.

The author of the first website was Tim Berners-Lee, who published it in December 1990.

Luggage racks are being designed that will be hooked up in place of the Buran shuttle’s hitches.

On 30th August 2016, the Airspace Industry Corporation of China signed an agreement with Antonov Corporation to complete the second machine and start production of more, with upgraded avionics and a different propulsion system.

The kerosene lamp was more efficient than candles and cheaper to operate than oil and gas lighting.

In the first half of the 19th century, intensive attempts were made to obtain more efficient and cheaper fuel than the various types of oil and their mixtures used to date.

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.

Naphtha, one of the lighter (0.78-0.81 g/cm3) fractions of petroleum, is almost as old as medicine.