Modern Physics · Branch 04

Optics

Does light slow down when it enters glass?

8 scenarios · no order required
01
The Spearfisher
Where do you aim the spear at the fish you can see?
Enter
02
The Mirror Bet
How small can the mirror be and still show all of you?
Being rebuilt
03
The Red Apple
Blue spotlight on a red apple: what color do you see?
Enter
04
The Burning Glass
Is closer always hotter? Park the glass and wait.
Enter
05
The Third Filter
Two crossed polarizers block all light. Add a third: anything through?
Being rebuilt
06
Why the Sky Is Red
As the sun drops to the horizon, why does it redden?
Enter
07
The Mirror Riddle
A mirror flips text left-to-right but not top-to-bottom. Why that axis?
Enter
08
The Trapped Ray
Tilt the torch inside the glass block: does the beam always get out?
Enter
The Field
No story, no script. All of this branch's physics, yours.
Open →