The film tells about the achievements of Soviet science in the field of optics and astronomy, allowing a person to see the invisible, to look into the secrets of nature and the universe.
Winter and summer landscapes along the river banks.
Grass, birds, trees, water surface.
River landscape through the eyes of an ant and an owl.
Isaac's Cathedral in Leningrad, people and cars in the square.
Man reading playbills.
The artist in the park behind the easel.
Vacationers and walking in the park.
Portraits of people.
The chemical process of diffusion.
Graphics: electromagnetic spectrum, animated ant and an owl.
Portrait of Galileo Galilei.
The book with the writings of Galileo.
Main (Pulkovo) Astronomical Observatory, Russian Academy of Sciences.
Astronomers working with the equipment.
Horizontal solar telescope.
Scientists with the telescope.
Engraving: the plague in medieval Europe.
Antique magnifying glasses, microscopes.
Bacteria under the microscope (macro).
Engraving: cheese-making in the old days.
Engraving: ancient winemaking.
A scientist in a laboratory for the electron microscope.
Viruses under the microscope (macro).
Locations: Leningrad  Leningrad region 
Scientists in the laboratory with a camera taking pictures.
Images with objects that emit invisible rays.
Scientific studies in the microscope photographs of thin sections.
Rock samples under UV light.
A doctor examines an X-ray.
Restorer in the workshop.
Picture Dosso Dossi, Claude Monet under ultraviolet light.
Seen from the eyes of the hidden layers of images, sketches on the canvas.
A scientist with a telescope.
Photos of the starry sky.
Scientists steerable radio telescope, take readings of devices.
The operator controls the radio jets.
The cameraman shoots athletics competitions.
Researcher looking into a movie camera connected to the microscope.
The beating of the heart muscle of the frog (macro).
Single-frame filming of plant growth in the pavilion.
The accelerated process of plant growth.
Central Research Institute of Automobile and Engine Institute.
Crash test of the Soviet car.
Mannequin on the seat behind the wheel.
Imitation crash, the car crashed into a brick wall.
Cameramen capture the moment of collision.
Time Lapse: deformation of the hood of the car.
Scientists at the institute with optical instruments.
Portraits of scientists.
Locations: Leningrad  Leningrad region