Collection No. 06 of 24
Science and mathematics
Astronomy, counting, measuring, and the first experiments.
0 subjects · 1 lesson · 0 objects · 0 events
The thread through time
Everything in this drawer at its date. Objects above the line, lessons and events below. Each step to the right is ten times closer to today.
Object Lesson Event
Lessons
- How long is human history?How much of the human story was ever written down?The long human story · 315,000 years ago to now