Technology

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 aircraft has a cruising speed of 800 km/h, a minimum speed of 250 km/h, and a maximum speed of 850 km/h.

There are several types of kerosene lamps.

Carbon is what gives steel its hardness and strength. It makes up to 2.14% of an alloy. 

The situation changed when a Jew came to Łukasiewicz's pharmacy and offered to sell him a bottle of oil coming from the area of Borysław, where peasants collected it from hollows and ponds.

The first building constructed primarily of steel was the Home Insurance Building in Chicago, USA, completed in 1885. 

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

Approximately 1,400 archeological sites were destroyed by the reservoir water, and the overall appearance of the Three Gorges changed.

The history of the Internet dates back to the late 1960s.

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.