When I convinced myself that no star of this type has not previously been shining, I was in such perplexity because of the incident that began to doubt in their own eyes.
Roughly speaking is:
– recurring events
Continue reading “Two types of events”
Sixty-five years ago, the United States has begun trial operation of a truck tractor Kenworth 500 series. It was a gas turbine engine, and the tests took place in the framework of the joint project of Kenworth Trucks and Boeing. The engine is 175 HP, but weighed only 90 kg! The train made several commercial flights between Seattle and Los Angeles (≈1,850 km), but, alas (and other observations): extra urban fuel consumption reached to 240 l/100 km! However…
To have no illusions. The stereoscope Charles Wheatstone. The year 1838.
This commune de Rivoli in Paris in 1871.
The number of stories for this age standard – 4-5 floors plus an attic.
Continue reading “Water supply and Sewerage”
1. Russia is the successor of the Roman-Byzantine civilization, while Europe – inherits barbarian kingdoms of savages.
Continue reading “14 facts about Russia and the West that must learn every”
Øaeropoezd of the Soviet Union
History of technology is inexhaustible. Especially impressive are those chapters that are associated with inventions, did not go into production. Or almost gone. Flight of design thought seems particularly lush from a distance of 80 years. Meet sharopoezd, I almost turned the idea of rail in the USSR in 30-ies!
There are words that we often use, but it did not remember that they were once even someone’s name. Pectrum publishes the most unexpected of them that are actually surnames.