Four-stroke Otto engine

This animation demonstrates the type of engine most commonly used in cars.

Mars Exploration Program

Space probes and Mars rovers examine the structure of Mars and possible traces of life.

Our astronomical neighborhood

A demonstration of nearby planets, stars and galaxies.

Cloud formation, types of clouds

Evaporating surface water forms clouds of various shapes from which water falls back to...

Transparency

This animation explains transparency and opacity, the principle of radiography, and the...

The development of celestial mechanics

This animation introduces the studies of astronomers and physicists whose works...

The Rutherford experiment

The Rutherford Experiment proved the existence of positively charged atomic nuclei. The...

Maglev Trains

One of the most modern means of transportation is the Maglev, capable of traveling at...

Structure of nitrogen molecules

This animation demonstrates the structure of nitrogen molecules, with one sigma and two...

Phase transitions

A phase transition is the transformation of a substance from one state of matter to another.

Electron configuration of calcium

This animation shows the electron configuration of the calcium atom.

Kepler´s laws of planetary motion

The three important laws describing planetary motion were formulated by Johannes Kepler.

Lunar eclipse

Lunar eclipses occur when the Moon passes through the shadow cone of Earth

Watt´s steam engine (18th century)

The steam engine, perfected by the Scottish engineer James Watt, revolutionized technology.

Chain reaction

Energy released during nuclear fission can be used for civilian or military purposes.

Development of the atomic model

Major phases in the history of theories and views about the structure of the atom.

Covalent bonds in benzene molecules

In benzene there are sigma bonds and delocalized pi bonds between carbon atoms.

Lesser horseshoe bat

Bats use ultrasound to navigate and hunt for prey.

Electric bell

Mechanical bell that functions by means of an electromagnet.

Elementary particles

Matter is made up by quarks and leptons, while interactions are carried by bosons.

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