The Three Gorges Dam causes a delay in the rotation of Earth.
The momentum is lost due to an enormous amount of water being forced through the dam. According to NASA estimates, the dam delays the rotation by 0,06 microseconds.
The first kerosene lamp was constructed in 1853 by a Pole, Ignacy Lukasiewicz.
Lukasiewicz was a pharmacist who worked in the Lviv pharmacy "Under the Gold Star," owned by Piotr Mikolasch, a well-known Lviv businessman and pharmacist.
The first attempt to use kerosene for lighting ended almost tragically. Łukasiewicz used an oil lamp that was not adapted to the new fuel, and the lamp exploded.
Miraculously the apothecary avoided severe burns. Łukasiewicz turned to a Lviv tinsmith Adam Bratkow ...
China is the world's largest producer of steel. The country accounts for 57% of the world's production.
The European Union is the second largest producer and India is the third largest producer. Other major global steel producers are: Japan, USA, Russia, South Korea and Turkey.
