Russian inventions

Chatroulette is an online chat website that pairs random users with a choice between two other users for webcam-based conversations. Visitors to the website begin an online chat (audio and video) with another visitor. At any point, either user may leave the current chat by initiating another random connection.

Earliest known assault rifle

thumb|Zworykin holding the iconoscope tube, in a 1950 magazine article

thumb|A Red Army soldier wearing a budenovka in 1926

thumb|Tachankas turret used in WWI.|alt= thumb|Tachanka armed with a PM M1910 in the [[Huliaipole museum]]

upright=0.75|right|thumb|Garmon player The garmon (, from , cognate of English harmonica), commonly called garmoshka, is a kind of Russian button accordion, a free-reed wind instrument. A garmon has two rows of buttons on the right side, which play the notes of a diatonic scale, and at least two rows of buttons on the left side, which play the primary chords in the key of the instrument as well as its relative harmonic minor key. Many instruments have additional right-hand buttons with useful accidental notes, additional left-hand chords for playing in related keys, and a row of free-bass butt

The domra (, , , domry) is a long-necked Russian folk string instrument of the lute family. It has a round body and three or four metal strings.

quantitative economic model that represents the interdependencies between different sectors of a national economy or different regional economies

traditional Russian driving arrangement with three horses

thumb|right|160px|Men's kosovorotka.

thumb|About 70% of polybutadiene is used in tire manufacturing.

parachute for high speed deployment

catadioptric telescope design

A nephoscope is a 19th-century instrument for measuring the altitude, direction, and velocity of clouds, using transit-time measurement. This is different from a nephometer, which is an instrument used in measuring the amount of cloudiness.

thumb|right|Schematic apparatus for electrotyping. An electric current flows from the battery, through the copper anode, the electrolyte, and the coated mold. A copper film (the electrotype) grows onto the electrically conducting coating of the mold.|alt=Line drawing.

welding metal at elevated pressure

architectural structure in the shape of a partial hyperboloid

thumb|A game of gorodki in Moscow, 1935 Gorodki (; ; ) is a Russian folk sport. Similar in concept to bowling and also somewhat to horseshoes, the aim of the game is to knock out groups of skittles arranged in various patterns by throwing a bat at them. The skittles, or pins, are called gorodki (literally "little cities" or "townlets"), and the square zone in which they are arranged is called the gorod ("city").

sports club specifically related to yachting

watercraft propelled by an electric drivetrain

lightweight constructions using shell elements

railway operated by children with adult supervision for educational purposes

thumb|180px|Gzhel samovar

thumb|250px|Shot-up TT-26, a remotely controlled T-26 light tank with TOZ-IV telematics, of 217th independent tank battalion of 30th Tank Brigade. Two antenna leads on the turret roof and two-colour camouflage of the vehicle are visible. [[Karelian Isthmus, February 1940.]]

device for chemical separation

Soviet nuclear delivery system

device for culturing microorganisms

hat with a gored crown and stitched brim, worn by enlisted naval personnel

thumb|Khokhloma setright|thumb|Khokhloma tableware on a Soviet postage stamp. Khokhloma (also Hohloma, Russian: хохлома; Russian pronunciation: [xəxɫɐˈma]) or Khokhloma painting (хохломская роспись, hohlomskaya rospis) is a style of Russian art traditionally painted on wooden household items. It is known for its curved linear features depicting vivid small flowers, berries, grasses, and leaf motifs. The Firebird, a common and popular figure from the Russian fairytales is often featured as the main subject matter.

The zhaleika (), also known as bryolka (брёлка), is a Slavic wind instrument, most used in Belarusian, Russian and sometimes Ukrainian ethnic music. Also known as a "folk clarinet" or hornpipe. The zhaleika was eventually incorporated into the balalaika band, the Hungarian tarogato, and may have contributed to the development of the chalumeau, a predecessor of the clarinet.

icebreaker

Phenylpiracetam, also known as fonturacetam () and sold under the brand names Phenotropil, Actitropil, and Carphedon among others, is a stimulant and nootropic medication used in Russia and certain other Eastern European countries in the treatment of cerebrovascular deficiency, depression, apathy, attention, and memory problems, among other indications. It is also used in Russian cosmonauts to improve physical, mental, and cognitive abilities. The drug is taken by mouth.

thumb|200px|Konstantin Makovsky's painting featuring Medovukha.

device that detects lightning

The gudok (, ), or gudochek (, ), is a Russian folk string instrument, played with a bow.

foam that is used for fire suppression

ship type

particle detector for Cherenkov radiation

thumb|Ziferblat, an anti-café in Moscow

Decimalisation or decimalization (see spelling differences) is the conversion of a system of currency or of weights and measures to units related by powers of 10.

external fixator

electric propulsion method for spacecraft

bomber aircraft of the largest size and load carrying capacity

thumb|right|Great Russian sokha, illustration by Nikolay Karazin, 1899 thumb|Sokha dating to the 19th to mid-20th century

decorative element in shape of a Russian kokoshnik headdress

Preferans () or Russian Preference is a 10-card plain-trick game with bidding, played by three or four players with a 32-card Piquet deck. It is a sophisticated variant of the Austrian game Préférence, which in turn descends from Spanish Ombre and French Boston. It is renowned in the card game world for its many complicated rules and insistence on strategical approaches.

thumb|Two Belomorkanal papirosy, the left one with the carboard mouthpiece compressed in the typical manner before smoking A papirosa (, plural: papirosy) is an implement for tobacco smoking, a variant of filterless cigarettes. It consists of a hollow cardboard tube extended by a thin paper tube filled with tobacco. The cardboard tube acts as a cigarette holder and is called (mundshtuk) in Russian. This Russian term derives from the German words Mund and Stück (literally, "mouthpiece").

type of wood burning masonry stove

Bromantane, sold under the brand name Ladasten, is an atypical central nervous system (CNS) stimulant and anxiolytic drug of the adamantane family that is related to amantadine and memantine. Medically, it is approved in Russia for the treatment of neurasthenia. Although the effects of bromantane have been determined to be dependent on the dopaminergic and possibly serotonergic neurotransmitter systems, its exact mechanism of action is unknown, and is distinct in its properties relative to typical stimulants such as amphetamine. Bromantane has sometimes been described as an actoprotector (synt

deep-submergence vehicle

rock climbing protection device

thumb|Drosky 1858 thumb|Dorożka (Street-cab), a sketch by Aleksander Orłowski thumb|Orlov Trotter Krasa in racing droshky by Sverchkov

Molded painted clay figures of people and animals

required to produce any goods or services

data structure that can efficiently update elements and calculate prefix sums in a table of numbers

bark-tanned leather

thumb|alt=text|Ion trajectories in an Orbitrap mass spectrometer In mass spectrometry, Orbitrap is an ion trap mass analyzer consisting of an outer barrel-like electrode and a coaxial inner spindle-like electrode that traps ions in an orbital motion around the spindle. The image current from the trapped ions is detected and converted to a mass spectrum by first using the Fourier transform of time domain of the harmonic to create a frequency signal which is converted to mass.

type of electric carbon arc lamp

Russian folk handicraft

famous type of imprinted Russian pryanik