April 24 in history: the birthday of satellite TV, the first Soviet jet fighter and a billion downloads of the software in the Apple App Store

On April 24, 1946 rose in the air the MiG-9 was the first Soviet aircraft with a turbojet engine. After the Second world war the Soviet Union gave the power industry on the development of jet technology from abroad started to arrive that Germany, the UK and the US complete the development of jet technology, and the technological gap was urgently needed to reduce.
The development of such machines started in 1936, but in wartime has been curtailed. After the war the title of the first manufacturer of jet technology was competing design Bureau of Mikoyan, Yakovlev, Lavochkin and Dry. As a result of the confrontation of talented engineers MiG-9 was able to perpetuate itself, rising into the air only for 2 hours before qualifying to fly the Yak-15.
April 24 in history: the birthday of satellite TV, the first Soviet jet fighter and a billion downloads of the software in the Apple App Store
The MiG-9 was the first Soviet jet fighter
In comparison with piston competitors of the MiG-9 was a very technologically advanced fighter jet – the first tests showed that the aircraft is able to reach speeds of 920 km/h at 5000 m in less than 5 minutes. The model came out in the series and was released in the amount of 602 copies.
April 24, 1962 in the USA took place the first transmission of satellite TV signals between cities. This event entrenched in history as the day of birth of satellite television. Scientists from the Massachusetts Institute of technology broadcast the abbreviation “M. I. T.” the distance is ~4300 km using the NASA satellite Echo-1.
April 24 in history: the birthday of satellite TV, the first Soviet jet fighter and a billion downloads of the software in the Apple App Store
The satellite balloon-Echo-1
The satellite was quite primitive and without any repeaters: it was a balloon made of thin polyester film with aluminum coating and just reflected from the Earth received signal. Because of electrical interference in the atmosphere the image has been weak and unstable, but the fact that relay signals between two ground stations has become a huge event for civil satellite communications.
April 24, 2009, the company Apple announced that the app store App Store have been downloaded over 1 billion times. This result the company managed to achieve only after 9 months after opening an app store for the iPhone and iPod.
Shortly before that, Apple was presented on the official website of the counter, which was a countdown displaying each new download and the total. All users who have downloaded apps with the launch of a campaign to overcome the milestone of 1 billion, became participants in the lottery, in which played out an iTunes gift card for 10 thousand dollars, media player iPod touch device for wireless backup and storage of data Time Capsule and a MacBook Pro.
April 24 in history: the birthday of satellite TV, the first Soviet jet fighter and a billion downloads of the software in the Apple App Store
Apple says “a billion times thank you” to all App Store users
The first 500 million downloads were made in the six months since the launch of the online store App Store, and download another 500 million apps it took almost twice less time.

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