Mon Prof Augmenté
Hidden Lenses in Everyday Things
Age 12 · Technology
Tiny cameras and lenses can be built into objects people use every day, such as watches, ties and binoculars. These lenses gather light and form an image even when the object looks completely ordinary.
This picture is part of the full library
Every lesson is open to everyone for 7 days after it is published. This one came out on October 3, 2026: its text stays readable here, and its picture opens with a subscription.
The app is free. A subscription opens every lesson, in every school year.
In the picture
- Wristwatch lens: a small glass circle set into the dial
- Tie pinhole: a dark opening in the knot where light enters
- Binocular eyepiece: a lens that glows green in low light
- Film strip: tiny frames holding many small images
Examples
- A doorbell beside a front door with a small camera built in
- A laptop with a camera set above the screen
Key takeaways
- A lens can be smaller than a grain of rice and still form a sharp image
- Night-vision optics brighten faint light and show the picture in green
Quiz: Hidden Lenses in Everyday Things (Age 12)
-
What can a lens do even if it is smaller than a grain of rice?
-
What do night-vision optics do with faint light?
-
What does the card say about everyday objects such as watches and ties?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
Free app, optional subscription
App Store Google Play
Carry on in the app
At least one new illustrated lesson every weekday for your child’s year, with its quiz and a reminder at 6:15 pm.
Your child’s teacher does not use My Enhanced Teacher yet?
Tell them about it
