Technology

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

The aircraft was destroyed by Russian aggressors in February 2022.

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

After an unsuccessful first attempt to use kerosene in a structurally unsuitable oil lamp, Łukasiewicz and the tinsmith Bratkowski constructed a prototype kerosene lamp.

The kerosene lamp was more efficient than candles and cheaper to operate than oil and gas lighting.

The World Health Organization considers kerosene a polluting fuel and recommends that "governments and medical practitioners immediately stop promoting its use in the household."

There are several types of kerosene lamps.

As recently as 2009, only 0.7 percent of Internet traffic came from mobile devices, today it is more than 50 percent.

The first registered Internet domain was symbolics.com.

In 2006, it was decided to complete the second aircraft, but to date, it has not been put into service.