Light bulbs

Light bulbs

Image description The image shows a classic, incandescent light bulb on the right, illustrated with the light bulb facing up. It works on the principle of heating the metal filament inside the glass bulb to incandescence, producing light and heat. The glass bulb or...
Types of Electric Poles

Types of Electric Poles

Image description The image shows five types of electric poles, aligned from the left to the right. The first, on the left edge, is the highest and distributes a high voltage electric current, hence the name of high voltage power line, respectively a type of Lattice...
Electrical substation

Electrical substation

Image description The image shows the transmission and distribution system of the electric current, through a transformer station or electrical  substation. This distribution circuit starts from the nuclear power plants, thermal power plants, wind or hydroelectric...
Street Lighting Poles

Street Lighting Poles

Image description The image shows three types of public or street lighting poles, viewed from the profile. The pillars are named after the support trunk that is buried in the ground and is high enough to allow illumination through the top bulb over a fairly large...
Hydroelectric dam

Hydroelectric dam

Image description The image shows the structure of the installation of a hydropower plant in the form of an artificial dam, viewed from side. The hydropower plant or the hydroelectric dam has the role of transforming the kinetic or mechanical energy of water into...
China artificial sun

China artificial sun

Image description The image shows the largest and most powerful nuclear reactor made by the Chinese, called Artificial Sun, similar to the Sun through the process taken from the natural Sun, or nuclear fusion, ie the combination of two nuclei of lighter atoms into a...
Solar panels

Solar panels

Image description The image shows a field of solar or photovoltaic panels, placed in a row, at the bottom, on the ground, directly exposed to the sun, which is positioned above, in the center. A photovoltaic solar panel is similar to a glass-like surface, thin and...
Wind power plant

Wind power plant

Image description The image shows four component parts that make up a wind turbine and its equipment that converts and distributes the electricity. Thus, on the left is a wind turbine similar to a tower with the height of a block, rendered by an elongated rectangle,...
The first electromagnetic generator – Dynamo

The first electromagnetic generator – Dynamo

Image description The image shows the first dynamo or electromagnetic generator, an invention of the American physicist Michael Faraday, also called Faraday’s Disc. It consists of two main parts, as in the case of the electric motor, namely: the static part,...
Michael Faraday

Michael Faraday

Image description The image shows, from the front, the portrait of the English physicist Michael Faraday. He is a man in his sixties, with a broad forehead, an elongated and narrow face, with a voluminous and rich hair, which is combed middle part and is rendered...
Benjamin Franklin

Benjamin Franklin

Image description The image shows, from the front, the portrait of the American inventor Benjamin Franklin. He is a man in his sixties, with a balding head and a broad forehead, with long hair falling on his shoulders, combed behind his ears, middle part, marked...
Lightning rod

Lightning rod

Image description The image shows the evolution of the protection system for tall objects on the ground, from electric shock by lightning. Thus, the image on the left shows the experiment of the American inventor Benjamin Franklin raising a kite to height during a...
The principle of an electric motor

The principle of an electric motor

Image description The image shows the main components that underlie the application of the principle of the electric motor. In order for the unseen and non-palpable electrical energy to be transformed into mechanical power, moving the rotor and caloric energy,...
Prometheus Statue at Vidraru Dam

Prometheus Statue at Vidraru Dam

Description The image shows a monument located above the Vidraru Dam, in the shape of an adult, representing Prometheus, a character from Greek mythology, the titan who stole fire from Zeus, standing up, with his hands raised above his head, holding two lightning...
The Structure of the Atom

The Structure of the Atom

Image description The image shows the structure and the component parts of an atom, respectively, the central nucleus formed by protons and neutrons, around which the electrons gravitate in orbits. The nucleus or the center positively charged by the protons, is...
Vehicles by comparison

Vehicles by comparison

Image description The image shows several types of vehicles, land and naval, aligned on the right edge and directed to the left, placed vertically, ascending, the top being the smallest in size, and towards the bottom the most voluminous and heavy. The vehicles are...
Spaceship

Spaceship

Image description The image shows a vehicle specially built to fly in outer space, called the orbiter, being propelled into the air, at takeoff, by a rocket booster or a launch vehicle, from which it subsequently detaches, returning to Earth by landing, after...
Ceausescu’s runaway helicopter, model IAR 330

Ceausescu’s runaway helicopter, model IAR 330

Image description The image shows from side, directed to the left, a model of a helicopter, with which the leader of the Communist Party of Romania fled, at the 1989 Revolution. The metal alloy body or outer shell, called the fuselage, is domed and voluminous, with a...
Dirigible balloon

Dirigible balloon

Image description The image shows an airship floating in the air, filled with light gas, hydrogen or helium, called a dirigible balloon, viewed from side, rendered as a cylindrical balloon with an elongated shape at the ends, oval, textured with vertical and parallel...
Nieuport 17

Nieuport 17

Image description The image shows a model Nieuport 17 aircraft, used by the French Air Force in World War One, viewed from side and facing left. The fuselage, or metal outer shell of the aircraft, ends conically, with the tip narrowed towards the tail, meaning on the...
Nieuport 17 – view from above

Nieuport 17 – view from above

Image description The image shows a model of Nieuport 17 plane, seen from above, used by the French Air Force in the First World War. The fuselage, or metal outer shell of the aircraft, ends conically, with the tip narrowed towards the tail, meaning at the top, as...
First Jet aircraft

First Jet aircraft

Image description The image shows from side, top illustration, directed to the left,and from the front, bottom illustration, the first model of a jet plane, made by Henri Coandă, with which he made the first flight on such a motor aircraft in 1910. The outer shell of...
First Jet aircraft – view from above

First Jet aircraft – view from above

Image description The image shows from above, directed to the left, the first model of a jet plane, made by Henri Coandă, with which he made the first flight on such a motor aircraft in 1910. The outer shell of the aircraft body is called the fuselage and is...
King Carol The First Bridge

King Carol The First Bridge

Image description The image shows the King Carol First Bridge, called Anghel Saligny, during the communist period, which serves both road and rail traffic, viewed from side. The bridge ensures the passage of vehicles over the Danube, making the connection between...
Oil platform

Oil platform

Image description The image shows an oil platform, a complex, mobile, very large metal structure, located offshore, on a marine oil field. These metal structures are equipped with installations, machinery and workers, in order to exploit the offshore oil field, drill...