How to copy an angle

Let’s copy a given alpha convex angle onto ray f with starting point F.

Writing in Ancient Egypt

Ancient Egypt, one of the largest civilisation in world history, had existed for more than three thousand years. These three thousand years were accompanied...

Earthworm

You can always find earthworms in humid soil with sufficient humus content.

Sculpture of ancient Egypt

Symmetry and frontality were important values in Egyptian sculpture. These characteristics lent an air of serenity and strength to the statues.

Chamomile

Chamomile is one of the best known and most widely used herbs we have. Its infusion not only cleanses the respiratory tracts but also contains...

Llama

An emblematic animal of the Andes kept as a beast of burden as well as for its meat and wool.

Blood donation

Donating blood can save lives, since patients often need various blood products for their recovery.

Development of the carnation flower

The carnation is considered as the national flower of Spain. Let's see how the flower develops.

Catalytic cracking

The oil industry is able to meet the world’s growing need for fuel by a process called cracking.

Beverage machine - Part 2

We can further develop the machine we presented in the previous video, so it can dispense multiple kinds of beverages.

Romanesque architecture

It is an early architectural style characterised by thick walls and narrow windows.

Wind at the beach

Sea and land breeze form because of the differing warming of land and sea.

The effect of bile in fat dispersion

If bile contains no digestive enzymes, why does it play such an important role in digestion? How does it work?

The seahorse

The tiny predator of the oceans. Interestingly, the male seahorse carries the fertilized eggs in his pouch until they hatch.

Seahorse

The tiny predator of the oceans. Interestingly, the male seahorse carries the fertilized eggs in his pouch until they hatch.

The process of glass production

Glass items are an integral part of everyday life. But how are they made?

Calculating the golden ratio

This video presents how to calculate the golden ratio.

Extraction of crude oil

Let's take a look at the process of extraction of crude oil at a typical oil production plant.

Extraction of natural gas

Did you know that the natural gas you use for heating may have been under the ground just two hours before?

The story of Google

Sergey Brin and Larry Page founded a company that has mesmerised the world with its innovative ideas.

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