Technology

The first email was sent in 1971 by Ray Tomlinson to… himself.

Every minute more than 500 minutes of video content is added to YouTube’s resources.

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.

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

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

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

As of June 2021, the resources of the global Internet amounted to 1.86 billion pages.

A kerosene lamp is a lighting device that uses kerosene as fuel.

The aircraft was destroyed by Russian aggressors in February 2022.

Only one flying example of the aircraft was built.