The birth of feudalism

A unique social and economic pattern called feudalism evolved in Western Europe during the Middle Ages.

Geothermal energy

Geothermal energy is environmentally friendly, safe and efficient; and thanks to modern technologies, its range of use is expanding.

Tree rings

Have you ever thought about how old trees might be? You can determine their age by counting their rings.

A glimpse of Iceland in the 9th and 19th centuries

The lifestyle of the Icelandic people did not change significantly over the centuries.

Knights in the Middle Ages

Medieval knights were heavily armoured mounted warriors.

Charles V, the Habsburg emperor

Charles V was the most influential and powerful ruler of the 16th century.

Library of memories

We compared the capacity of our brain with that of a computer. Let’s see the results!

Matchstick rocket

This is how you can create a small rocket using only a matchstick and aluminium foil.

Local time and standard time

Life could not work in this accelerated global world if we still used local times. Why, you ask? Watch the video for some answers.

Farewell, my dear Irena

An unbelievable story of a family that in the hope of a better life risked everything at the beginning of the 20th century.

The Sedlec Ossuary

The Sedlec Ossuary is one of the most unusual chapels of Europe.

Vienna, the Kaiserstadt

Coffee, Sachertorte, horse-drawn carriages and imperial splendour. Let's visit the city that was named the best place to live: Vienna.

By the water

Water is essential for life. In this video, we present a few bird species from among the wonderful fauna found by the water.


The appearance of snowdrops signals the arrival of spring. It is a protected species in many countries.

Historicist revivalism in architecture

Characterised by the revival of past styles, historicism was the main architectural style of the 19th century.

The history of space flight Part I - To infinity and beyond

This video presents the beginning of astronautics and the early years of the Space Race.

The first circumnavigation of the globe

The concept of a spherical Earth became more and more accepted during the 15th century, but Magellan’s expedition provided the first evidence.

In the grip of black holes

In this film we explore the puzzling black holes. Join us in this incredible space ride!

Cosmic calendar

If we compressed all the time that has ever passed into a year, what would the history of the universe look like?

Fascinating atmospheric phenomena

We can often observe spectacular atmospheric phenomena. Let's see how some of these are formed.

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