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A problem with watches

We have an analog clock that is delayed half a minute every day. Another clock of the same type instead stands. Which will show the correct time more often? Solution The clock that is stopped will show the correct time twice a day. However, the clock that delays half a minute a day will take 2 × 60 × 12 = 1440 days to show the correct time, then the broken clock will mark the correct time more times.
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What does the sailor observe?

In this image we see a sailor scanning the horizon with his spyglass in search of something. Can you tell me what you are looking at? Solution If we turn the drawing we see that the silhouette of his beloved is hidden.
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Meditation exercises with visualization

Visualization is a very effective technique that is used in therapy as a tool to reduce the physiological activation that appears in times of anxiety, and thus achieve a state of relaxation. Content 1 What are visualization techniques? 2 What are visualization techniques for? 3 Visualization exercises 4 Targeted images What visualization techniques consist of Visualization techniques work with the neural connections that exist between the motor and emotional areas of our brain.
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Why are people's names so hard to remember?

Study on memories Apparently names are more difficult to remember than many other things such as jobs, hobbies of people or people of origin. Everyone knows that people's names are hard to remember. But now we know that it is not only an impression of ours, since an investigation has been done on this and the results suggest that there is something peculiar in the proper names, which makes them particularly difficult to remember.
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Articles

The Importance of Our Language

Today I would like to talk to you about language. Have you ever wondered, how is it possible that we have this wonderful ability? Our language is a higher level human activity, it shares many characteristics with other psychological activities or processes, such as memory or thinking (for many, our thinking is based on language, mother tongue influences in a decisive way our way of think).
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Fractal 3

Newton's method of finding the roots of an equation creates fractals if the variable in the equation is a complex number. Solution Jos Leys has found a way to show these fractals in 3D.
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