Hidden Technology Explained: QR Codes, Barcodes, Facial Recognition, RFID & GPS Made Easy, young readers ages 9-16 will explore the fascinating scienc

By esmart chubs

Discover the amazing hidden technologies that power our modern world

Every day, we use incredible technologies without even realizing how they work. From scanning QR codes at restaurants to using GPS for directions, unlocking phones with facial recognition, and tracking packages with barcodes and RFID systems - smart technology is everywhere

In Hidden Technology Explained, young readers ages 9-16 will explore the fascinating science behind the systems we use every day in a fun, simple, and visually exciting way.

Inside this book, you'll learn:

What QR codes are and how they store informationHow barcodes are created and scannedHow facial recognition uses AI to identify facesHow RFID technology tracks items wirelesslyHow GPS satellites help devices find locations anywhere on Earth

Packed with:

colorful infographic-style pageseasy-to-understand explanationsreal-world technology examplesfun facts and STEM learningreview questions and activities

This engaging guide makes complex technology easy to understand while inspiring curiosity about science, engineering, artificial intelligence, and the digital world around us.

Perfect for:

curious learnersSTEM enthusiastsclassrooms and homeschoolersfuture engineers and inventorschildren who love technology

Get ready to discover the hidden systems powering the modern world

• Format: Paperback
• Language: English
• ISBN: B0H2DDBNKW
• ISBN13: 9798197672575
• Release Date: May 2026
• Publisher: Independently Published
• Length: 42 Pages
• Weight: 0.27 lbs.
• Dimensions: 0.1" x 8.5" x 11.0"