10 technology secrets behind extremely ordinary details

1. Numbers on vegetable labels

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 On fruits and vegetables, the numbers not only tell us where these products come from, but there is another purpose. For example, how to grow a specific fruit or vegetable.

If you find a 5-digit number starting with 9 - this product is organically grown. 4-digit code beginning with 3 or 4 - this product is grown in the usual way. 5-digit code beginning with 8 - this product has been genetically modified.

2. Brushes on the escalator

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Some confident and brave people can use the brushes to clean shoes on the way. However, their initial meaning is to remind people that they are too close to the edge of the escalator and need to stay away from this area. Otherwise, clothes or shoes may become trapped, causing danger.

3. Nintendo game box has a bitter taste

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Nintendo games are extremely popular with both adults and children. Even so, kids sometimes try to taste or even eat them. To prevent this, Nintendo decided to add some flavor to their game case. They are covered - intentionally - harmless chemicals to create an unpleasant bitter taste in the mouth, making children, or anyone else, never want to try again.

4. Google Assistant can be controlled by magic in Harry Potter

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On Android phones, if you open the Google assistant and say the "Lumos Maxima" spell, then the phone will automatically turn on the flashlight. Also saying "Nox" will turn off the light. Saying "Silencio" will make your phone turn off all notifications and ring tones.

5. Dents on golf balls

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Initially, the golf balls were rounded and smooth, but it turned out that the dents allowed it to fly further. A smooth golf ball will only go about half the distance, compared to a golf ball with dents. This and many different factors can determine the outcome of the game.

6. Circles at the bottom of the chip bag

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Some people speculate that their colors may be related to the way products are made. Green - organically, black - genetically modified . In fact, these mysterious circles are called the printer's colored blocks. Manufacturers need to check that everything is printed correctly, as well as indicate the location for the product packaging cutter.

7. Circle on the 3.5mm jack

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Sometimes we may notice that the end of the 3.5mm jack may have one, 2 or 3 metal rings. Their main purpose is to separate electrical impulses received from the devices to transmit information. For example, a strip in the headphone jack means it can only provide a mono audio signal, meaning that both sides of the ear canal receive exactly the same information. The two stripes are able to separate 2 signals and transmit stereo. This makes your left and right headphones sound a bit different. Three stripes are commonly found in devices that support microphones.

8. The icon of opening the lid on cosmetics

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On most makeup packages, we can find lines like 12M or 24M. These are called term symbols after opening. The main purpose is to indicate an expiration date. And the accompanying number represents the number of months (month).

9. Shake to undo the action on iPhone

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While using the note taking app on iPhone, you may accidentally delete an important note or make a typo in the text. There is no undo button, so it looks a bit annoying when trying to restore everything. A quick and easy way to undo is to shake your phone. After a few moments, you'll receive a pop-up message, instructing how to undo the previous action.

If this feature does not work, go to "Settings", find "Accessibility" and "Shake to Undo"

10. The effect of hanging hooks made from wood

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In addition to wooden hangers that are more durable than plastic and suitable for heavy coats, they have even more effects. The hanger is made from cedar wood, which can help fight moths in your wardrobe. In addition, the wood itself can help absorb unnecessary moisture and eliminate unpleasant odors.

Refer to Brightside