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And then an inventor appeared (TRIZ)

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TRIZ. talent algorithm. Suit for Porthos

When you first inspect an unfamiliar city, something immediately catches your eye, but you don’t notice something, you pass by. Something like this happened with our tour of TRIZ. After re-reading what I had written, I suddenly discovered that I had not said anything about many very interesting tricks. Here is one of them; so that you better feel its charm, let's start with a task.

Problem 49. THE TRAIN WILL LEAVE IN FIVE MINUTES

Pine logs were loaded into open railway cars. The inspectors measured the diameter of each trunk in order to then calculate the volume of all logs. The work of the measurers was slow.

- We'll have to delay the train, - said the senior controller. - Today we can't manage.

And then, of course, an inventor appeared.

- I have an idea! he exclaimed. The train will leave in five minutes. Take...

And he explained what to take and what to do. What would you suggest?

When this problem was published by "Pionerskaya Pravda", the correct answers were sent only by those guys who firmly remembered: in order to solve an inventive problem, it is necessary to overcome the contradiction. Here are some bad suggestions:

- let the team of 300 - 500 people conduct measurements;

- determine by eye the average diameter of the log and calculate how many logs;

- make cuts of all the logs and without haste measure their diameter when the train leaves ...

For a gain in accuracy, you have to pay a loss in cost, complexity. And vice versa: if you prefer simplicity (measure by eye), you will have to give up accuracy. Hidden behind this technical contradiction is a physical contradiction: the train must leave and the train must stay. It is necessary to make the train leave and at the same time, as it were, stay ...

So we come to an inventive trick: if it is difficult to measure some object, you need to get a copy of this object and measure the copy. In a few minutes, you can take a picture of the logs from the open side of the car. A ruler must be attached to the logs - to determine the scale. And the train can be sent: all measurements will be taken from the pictures.

It is interesting that Alexandre Dumas, the author of The Three Musketeers, was the first to express the idea of ​​this technique. In the novel "Ten Years Later" there is a chapter about how Porthos ordered a new suit. Porthos did not agree to be touched while taking measurements. The playwright Molière, who found himself in the tailor's waiting room, found a way out. Molière led Porthos to a mirror and took measurements from the image of a musketeer...

TRIZ. talent algorithm. Suit for Porthos

There are many witty tricks, you can talk about them and talk about them. But for the first acquaintance with the city, it is enough to look at a few typical buildings, walk along a few typical streets, and then look at the general plan.

You now know some of the laws of development of technical systems, you know almost two dozen tricks and, I hope, you even know how to apply some physical phenomena. Of course, this is just one block in the city of TRIZ. But - a typical quarter. So let's move on to the general TRIZ plan and see how everything looks in a single system.

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