Russia defence & technology updates

bhramos

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"Kalashnikov" presented electromotor cycles IZH for the police


"Kalashnikov" presented electromotorcycles IZH for the police.

Concern "Kalashnikov" presented electric motorcycles intended for road patrol and patrol police service.

The city police have already familiarized themselves with the new equipment. Now the GU MVD of Russia in Moscow plans to organize a full test of domestic electromotor cycles.

The first samples will be handed over to the Metropolitan Police in late August. A wide audience will be represented at the forum "Army-2017".
 

Vorschlaghammer

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When internet boards post images and memes of Russians being immune to cold, are they just trolling for the lulz, or actually being serious ? They're humans after all, right ? It can't be right, it's just a running gag. Right ?

Then you see stuff like this


How the f**k are these people not freezing their a**es off ? Dafuq is going on here ?
 

Bahamut

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New glass ceramics for eye-friendly lasers

18 Aug '17
Super-hard and durable glass ceramics with potentially market-winning nonlinear optical properties is being developed in St. Petersburg. It will be used in passive Q switches of human eye friendly lasers and is said to have no volatile and toxic components, announced Shvabe, a large Russian technology holding company. The developers are scientists at the S. I. Vavilov State Optical Institute, which is part of Shvabe.

Using the new patented synthesis method is expected to produce good enough glass ceramics for a range of heavy-duty applications in optical devices for environmental monitoring, rangefinding, and remote diagnostics of industrial and environmental objects.

“The discovery will upgrade 1.5µm lasers, a spectral range safe enough for the human eye. Unlike the competition, the new St. Pete method enables production of glass ceramics with high homogeneity, nonlinear optical and luminescent properties, superb mechanical durability, and chemical resistance. Its production process is also 100% safe,” said Sergei Shchukin, the CEO of the S. I. Vavilov State Optical Institute.

The nontoxic glass ceramics, a product of eco-friendly synthesis, could be marketed as transparent, semi-transparent or nontransparent nanocrystalline material. Its properties are determined by inclusions of rare earths and transition metals.
 

Bahamut

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Moscow develops new self-healing technology for roads

17 Aug '17
Scientists at MISiS, a top Moscow-based technology university in Russia, have developed production technology for self-healing asphalt-concrete materials to be used in making roadbeds. With the new method of eliminating roadbed cracks road repairs would take just a few hours instead of today’s week and cost about 30% of the current cost.

The material consists of electrically conductive multiwall carbon nanotubes (MWCNTs) called “Taunit-M” which are said to possess unique characteristics such as high inductance receptivity. Bringing the additive into conventional roadbed adds little to the cost of repair while triggering the self-healing effect.

To kick-start the process, a new machine, described as a hybrid of a road-roller and microwave, must be used. It heats the surface, and microwaves set nanotubes in motion, which is said to cause road cracks and holes to self-heal. In the technique, no additional roadbed material would be required—riding over the area to be repaired is quite enough to cure the damaged spot, MISiS said.

The approach itself is hardly unique globally; scientists in the Netherlands, China and other countries also set their sights of the problem. However, MISiS’ foreign colleagues are reported to use metallic fiber as additive. The Moscow researchers believe their proprietary method beats the competition in effectiveness as it brings about inductance heating in the thin bitumen film only and requires no change in the composition of asphalt-concrete mixture.
 

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