Bucket with water

Published April 01, 2018

Bucket with water

A bucket filled to the brim filled with water is placed on one cup of the scale, the other - exactly the same bucket, also full to the brim, but there is a piece of wood floating in it. Which bucket with water pulls? If you assign this task to different people, you get contradictory answers. Some answered that they had to draw a bucket of water in which the tree was swimming...

The weight

Published April 01, 2018

The weight

How do you feel when you start down the elevator? At the first moment of movement, when the floor under your feet is already lowered, and you did not have time to purchase the same speed yourself, the weight of the body is small. A moment passes and the strange sensation ceases; your body, trying to fall faster than the evenly moving elevator...

About the egg

Published April 01, 2018

About the egg

About the egg much is said. How to determine, for example, without breaking the shell, an egg is cooked or is it raw? Knowing the mechanics will help you with success to get out of this little embarrassment. The fact is that the boiled and raw egg rotates in the same way. The test egg is laid on a flat plate and two fingers...

Bullet

Published April 01, 2018

Bullet

During the First World War a very unusual incident occurred with the French pilot. The pilot noted that near his person movement with some small thing. Thinking that it was an insect, he quickly grabbed it with his hand. Imagine the astonishment of the pilot when it turned out that he had in his hand... a German military bullet...

Roman water supply

Published April 01, 2018

Roman water supply

Residents of modern Rome still use the old Roman water supply, built even ancient: solidly erected Roman slaves waterworks. Not that it is necessary to tell about knowledge of the Roman engineers supervising these works. Roman water pipe was laid not in the ground, but above it, on high stone pillars. What was this for?..

Nuclear power plant

Published April 01, 2018

Nuclear power plant

The world's first nuclear power plant (NPP), built in the city of Obninsk near Moscow, gave a current in June 1954. Its power was modest - 5 MW. However, it played the role of an experimental setup, where the experience of operation of future large nuclear power plants was accumulated. For the first time, the possibility...

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