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 39 of 104
Clausius and the arrow of time
Why doesn't a broken glass put itself back together?
600 BC
today
Era 4 of 10:
Heat and energy
, 1700 – 1910
Check yourself
Loading exercises…