Technology

The first registered Internet domain was symbolics.com.

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

The first network–ARPANET was launched on 29th October 1969 at the University of California.

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

The design basis for the An-225 was the An-124 Ruslan aircraft.

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.

Mangalloy is an alloy steel containing 11 to 15% manganese.

The idea of building a dam on the Yangtze River arose in 1918.

Only one flying example of the aircraft was built.

On 14th April 2020, cargoes of medical supplies for COVID-19 were delivered to Chopin Airport in Warsaw, Poland, by this aircraft.