Want to know everything № 172 (1986)

1.

Host Yuri Nikolaev includes a recording of the song " Walking in the Urals...".

Rotating coils with film.

Cavalry attack (Chronicle).

A detachment of red army soldiers walking down the street (chronicle).

Group photo chapayevites.

The enlargement of the portrait of Furmanov.

Red army soldiers sitting by the fire (reconstruction).

Photo of the nurse Marusia Popova, the author of the song.

Footage from the movie "Chapaev".

Group photo (left in the second row of M. A. Popov).

M. A. Popova with her daughter (photo).

Photo Of Marusia Popova.

2.

Aquarium with fish.

Sea wave.

Underwater photography.

Model of the sea-ecotron in the laboratory.

A vessel with seaweed.

A vessel with small fish.

Bottom worms.

Bottom bacteria under the microscope.

3.

Explosion in the quarry.

Egyptian pyramid.

Ancient Egyptian image of mining stone blocks.

The holes in the stone.

Diagram of production of stone blocks in Ancient Egypt.

Tests of powder for explosion.

Holes are drilled in the stone.

The hole is filled with a powder diluted with water.

The powder has dried and the block is cracking.

4.

Cactuses.

Photos of cacti in their natural environment.

The man goes to the balcony, where he has a collection of cacti.

Collection of cacti on the window.

A variety of cacti.

Flowering cacti.

Cactus seeds.

The man sees the seeds of a cactus through a microscope.

Red cactus.

A group of red cacti grafted onto green ones.