Bike computer. Tourist tips

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Bike computer. Tourist tips

Tourist tips

There is a wide variety on the market today on-board computers for installation on tourist and mountain bikes. All these devices are able to accurately determine the average speed of a ride and the distance covered by a cyclist. The work of the bike computer is based on counting the revolutions of the front wheel - it is enough to install a small magnet on the spoke and a magnetic sensor on the wheel fork.

After entering data on the circumference of the wheel into the device, it is able to determine the speed and mileage with great accuracy, without showing the "sensitivity" characteristic of the pedometer to the nature of the road surface.

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You can try an apple with your hand 05.06.2003

The Center for Agricultural Mechanization in Montpellier (France) has created a glove that checks the ripeness of an apple without removing it from the tree.

The infrared sensor of the glove detects the concentration of sugar in the pulp under the skin with a simple touch. It is enough to spread your fingers, and then, closing them, click on the apple, after which the glove determines the hardness of the fruit by sound. The light indicator shows whether it is time to harvest.

You can also determine the quality of the fruit on the merchant's tray. In the future, such gloves will be created for pears, cherries, watermelons and even grapes.

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