Mathematicians on the Ukrainian coins

For ten years existing of the Mint of the National Bank of Ukraine issued three hundred jubilee and commemorative coins, combined in 23 thematic series, one of the most significant of which is the series "Outstanding Personalities of Ukraine".

Tea Ceremony – Movements and Tea

Wu wei (non-action) is a natural movement without efforts. During many years Tea has gone through a long process of the evolution of simplification in which all the unnecessary repetitions and show movements were removed.

Sundial on Kontraktova Square

Sundials are the most ancient mechanisms for determination of time. Mechanical clocks are considered to be very complex device. Another thing is sundials: a simple stick and shadow on a flat disc. However, like many antique mechanisms sundial is much more difficult than the mechanical one.

The most famous clock in Kyiv

A long time ago a wise inventor of the dial locked in a circle past, present and future, so that it never escaped and that no one could touch it. And the arrows, slowly moving from one mark to another, move the flow of time. Today's story is about the oldest and largest clock in Kyiv.

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