Which airline is the shortest in the world? Detailed answer

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Which airline is the shortest in the world? Detailed answer

Big encyclopedia for children and adults

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Which airline is the shortest in the world?

Since 1963, British Airways has operated a daily flight from Vestry Island (Orkney Islands, 600 inhabitants) to the neighboring island of Papa Vestry located one and a half kilometers away. As a rule, the flight lasts two minutes, and the boarding and disembarking of passengers takes one hour.

Author: Mendeleev V.A.

Random interesting fact from the Great Encyclopedia:

What set of numbers equals one in the UK in the legal sense?

In the UK, in the legal sense, all numbers greater than 0,5 and less than 1,5 are assigned to the unit. The reason for this decision was a lawsuit between two pharmaceutical companies. One of them owns a patent for a wound healing agent containing silver ions from 1 to 25% by weight of the drug, and the other has released a similar agent, which includes 0,77% of such ions. Previously, in such cases, numbers greater than 0,95 were taken as a unit, however, when considering the case, the court found an asymmetry in the definition, decided to consider everything in the range from 0,5 to 1,5 as a unit, and thereby satisfied the claim for patent infringement.

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Hybrid nanotube and gold 18.03.2007

US scientists have combined a gold nanowire and a carbon nanotube. Nanotube electronics is a very beautiful idea.

“Imagine: using a probe microscope, you take pieces of a carbon nanotube and lay them on a substrate, forming an electronic circuit on a nanometer scale,” Academician A.L. Buchachenko says about it.

In this case, nanotubes can serve not only as conductors connecting circuit elements, but also as elements themselves - the calculation shows that by modifying a tube, it is possible to impart semiconductor properties to it. However, the problem is that so far it has not been possible to create a reliable electrical contact between the nanotube and other elements of the future circuit.

Another elegant way is proposed by scientists from the Rensselaer Polytechnic Institute (USA), headed by Professor Pulikel Ajayan. They firmly spliced the nanotube with the gold nanowire. Such nanowires are good in themselves due to their unusual optical and electronic properties, and together with a carbon nanotube they are a very interesting material.

They get it like that. First, porous alumina is taken and the pores are partially filled with metal atoms. It turns out a nanowire. This porous matrix is then placed in an oven containing a source of carbon. When heated, carbon evaporates and precipitates in the pores. As a result, a nanotube grows at the end of the nanowire with exactly the same diameter, given by the pore size.

Since the technology for the synthesis of porous oxides is well developed, scientists have obtained a huge amount of matrices for growing such hybrid wires hundreds of microns long.

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