Fundamentals
Where does a lens form its image?
Bending light with lenses
Optics and photography.
Trace light through lenses, mirrors and the tools that form and capture an image.
Fundamentals
What happens to sunlight inside a raindrop?
A rainbow inside a raindrop
Fundamentals
Can a mirror send a beam around a corner?
Bouncing light around a corner
Fundamentals
What does it take to catch a sharp image?
How a camera captures light
Fundamentals
Why does an image become blurry?
How an eye focuses
Fundamentals
Why does light in one eye change both pupils?
Two pupils, one light
Fundamentals
Why does rotating a second polarizer dim polarized light?
Project light onto a second axis
Fundamentals
Which rays stay trapped inside a fiber’s core?
Trap a ray inside a glass core
Fundamentals
Why does a telescope need two lenses?
Inside a refracting telescope
Fundamentals
How can a planet hide in starlight?
Finding a planet in starlight
Fundamentals
How do two open slits change detection probability?
Two slits, one probability pattern
Fundamentals
What turns ordinary light into laser light?
When light starts to lase
12 experiments to explore. No account. Just curiosity.