# Does time flow?

**Does time flow, or is every moment equally there?**

Some physicists and philosophers describe the universe as a block with every moment in place. Others hold that only the present is real. Physics alone has not decided between them.

Connects to:
- [The arrow of time](https://mapideas.org/i/ti_arrow)
- [The felt present](https://mapideas.org/i/ti_present)
- [Time and motion](https://mapideas.org/i/ti_relativity)

Sources:
- [Wikipedia: Eternalism (philosophy of time)](https://en.wikipedia.org/wiki/Eternalism_(philosophy_of_time))

Source: https://mapideas.org/i/q_time_flow · open on the map: https://mapideas.org/#q_time_flow