QR codes are like puzzles made of squares. When you scan them with a phone, it reads the pattern and figures out what message or link is inside. It's like a secret code that your phone can understand!
Examples
- A restaurant puts a QR code on its menu so you can scan it with your phone and instantly get the online version of the menu.
- Your friend sends you a QR code at a party, when you scan it, it shows up as a funny message on your phone.
- A bus stop has a QR code that links to a map showing the best routes from there.
Ask a question
See also
- Why Do Smartphones Feel So Warm in Your Hands?
- Why Do Smartphones Get Hot When You Use Them?
- How Does a QR Code Actually Work?
- How Does a Laser Work?
- How Does a ‘Laser’ Work and Why Is It Used in So Many Places?
Discussion
Recent activity
Nothing here yet.