Technology

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

The range of a fully fueled aircraft is 15.400 kilometers with an empty payload.

The first kerosene lamp was constructed in 1853 by a Pole, Ignacy Lukasiewicz.

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

The first all-steel bridge is the Eads Bridge in St. Louis, USA.

Tungsten steel contains 2% to 18% of this element. It is extremely resistant to heat, corrosion and wear.

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

Its construction lasted from 1994 to 2006.

The aircraft weighs 285 tons and is the heaviest aircraft ever constructed.

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.