Skip to content
One Long Tail
Lessons
Hands-on
Plans
About us
Menu
Lessons
all 428, by branch
Hands-on
lessons you can touch
Plans
what we're building
About us
who we are, contact
All physics lessons
Physics
Lesson 73 of 104
Bohr's model of the atom
Why doesn't the electron fall into the nucleus?
600 BC
today
Era 8 of 10:
Quantum
, 1900 – 1935
Check yourself
Loading exercises…