Same tiny dot up close. What happens far away?
A laser and a flashlight both start as one little dot. Let’s send their light far, far away.
A laser and a flashlight. Up close they make the same little dot.
laser
flashlight
Now we send both lights far, far away. What will the light do out there?
Tap to turn the flashlight on and off. Watch its glow up close!
Tap the light — see it glow, then go dark.
Both start as the same tiny dot. Now the laser shoots far away. Will it STAY TINY or PUFF OUT?
Tap your guess!