"light" newsreels and historical clips

... submit current (synchronous).

Manager for remote power management - MS.

Typist in the cabin includes electric voltage.

Flashing lights in the carriages of the train - CU.

Lit chandeliers in subway stations - LS., CU.

Trains leave from the park on the line.

Passengers pass through the automatic controllers ...

... woman smiled, the pioneers are, replaced by a senior - LS., MS., CU.

Train at the station "Pushkinskaya".

Moscow at night, covered with electric lights - LS. (With a / t).

Antonov lineman checks subway line.

... in dim lighting.

Bed and a bedside table with a lamp in the dim lighting.

Desk and book lying on it in dim lighting.

Bed and a bedside table with a lamp in dim lighting.

Desk and book lying on it in dim lighting.

General view of Lenin's bedroom in bright lighting.

Kind of bed in bright lighting.

Table ...

... Table and books in bright lighting.

Bed and a bedside table with a lamp in the dim lighting.

General view of the bedrooms in the dim lighting.

Table with lamp, chair and sofa in the dim lighting.

Bed and a bedside table with a lamp in the dim lighting.

Timiryazev's book "Science and Democracy" close-up in ...

... in the dim lighting.

Lenin's table with ink and calendar in dim lighting.

Bed and a bedside table with a lamp in the dim lighting.

Calendar, ink and books on the table close-up.

... face.

View eating for a person with poor eyesight.

The young man wears glasses.

A clear view of the spruce and the winter forest.

The movement of the light beam in a straight line.

The reflection of the beam.

The ball Bouncing off the wall.

The game of table tennis, the ball bounces off the table.

The game ...

... concave mirrors.

The lighting of matches from spot beams.

The layout of the solar power station with concave mirrors.

Types of telescope with a concave mirror.

The astronomer see in the telescope.

The view of the starry sky.

Examples of concave mirror - a flashlight, car lights, spotlights.

Passing car ...

... headlights.

Burn lighting floodlight Palace of sports, exercise, artistic gymnasts in the arena of the Palace.

Filling water cups lying GNA its bottom with a coin, the coin becomes visible.

Refraction of light rays in water for example tea spoon and Cup.

The refraction of the light beam passing through ...

... explaining the concept of linearly polarized light.

The formula of the instantaneous value of the electric field strength of the wave.

The formula of the instantaneous value of the magnetic field strength of the wave.

A cartoon explaining the concept of a harmonic light wave.

The concept of right elliptical ...

... part in the formation of light.

The emitting atom is considered as an oscillating dipole oscillator.

Each of them emits a zug of waves of linearly polarized light during one act of emission.

Many such waves with different initial phases and different polarization give natural light.

A cartoon explaining ...

... natural light and partially polarized.

The formula of the degree of polarization.

Experience in reflecting natural light with a dielectric.

The refractive index of the dielectric.

Malus' law.

A cartoon explaining the radiation of a dipole under the influence of each component of natural light.

Natural ...

... Natural light is polarized when passing through a transparent layered dielectric - Stoletov's foot.

Experience with Stoletov's foot.

When natural light passes through an Icelandic spar crystal, it splits into two polarized beams.

Ordinary and extraordinary.

When the crystal rotates, the intensity of the rays ...

... two polaroids.

Experience in checking the polarization of ordinary and extraordinary rays in Icelandic spar.

Experience in the passage of polarized light through a crystal.

... experiment on the passage of polarized light through a crystal.

Plates made of birefringent crystals make it possible to obtain elliptically polarized light.

Their main direction coincides with the optical axis of the crystal.

Experience in obtaining elliptically polarized light.

Experience in obtaining interference ...

... influence of mechanical loads, we create artificial anisotropy.

Thus, in polarized light, it is possible to judge the distribution of stresses in models under load.

In the manufacture of quartz glass, polarized light makes it possible to identify defects of a quenching and structural nature.

The rotation ...

... rotation of the polarization plane is used to determine the concentration of sugar in the solution.

Natural crystals.

Polarized light began to be used in geology.

The rock plume observed in a polarizing microscope allows detecting the presence of an insignificant amount of minerals.

According to the polarization ...

1. Lights Absheron.

The waves of the Caspian Sea, oil derricks.

Underwater gas emissions.

From the ground rises flames.

In the valley runs a herd of antelope.

Scientists investigate the burning of gas on land.

Gas torches of fire-worshipers temple Ateshgah.

Sculptural group.

Excursion to the temple. ...

... Application of laser in agriculture.

6. Opening of the monument NK Krupskaya Moscow.

7. Exhibition of machines for light industry "Inlegmash-76" in Moscow.

8. Manufacture of lighting on the Ternopil production association "Vatra".

9. Fauna: sea lions in Nevel port.

Championship of the Latvian SSR on ...