archeological excavation

In archeology, excavation is the exposure, processing and recording of archeological finds.

labor camp barracks

Several labor camps were established in the communist Eastern Bloc, the existence of which was...

Narrow-gage railway

Narrow-gage railways can be great fun on an excursion. As they chug along, they provide a great...

The dangers of aluminum production

The use of bauxite, which is first processed into alumina and then into aluminum, can be harmful.

Hungarian gray cattle

This gray, robust cattle breed with characteristic long and curved horns is indigenous to Hungary.

Paper airplane

Let’s make a paper airplane! How far can you throw it?

Ladybug

The seven-spot ladybug is probably the most best-known of all the ladybirds. Its conspicuous...

Beyond the lightbulb and the electric outlet

Have you ever given any thought to the origins of the energy your computer or TV uses?

South Africa trailer

Our new educational videos about South Africa are coming soon.

Dubai (trailer)

New mozaVideos about Dubai.

Cosmic calendar

If we compressed all the time that has ever passed into a year, how would the history of the...

Home-made compass

This experiment shows how to make a home made compass.

Society (trailer)

Our new videos about society are already available.

Rome (trailer)

Our new videos about the architecture and art of ancient Rome are already available.

Local time and standard time

Life could not work in this accelerated global world if we still used local times. Why, you ask?...

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