- 2,161
- 12
- Joined
- Mar 4, 2009
1. wheel
2. elevator, people now live upwards, not sidewards; this helps with landmass and population
3. car
4. typewriter/newspress so ideas got by faster
5. sewer system
2. elevator, people now live upwards, not sidewards; this helps with landmass and population
3. car
4. typewriter/newspress so ideas got by faster
5. sewer system