| As physics evolved in the twentieth century, it moved away from things that can be directly observed with the naked eye to things that can be ‘seen’ only through measurements coupled with a theoretical train of logic. --Lisa Randall |
| As physics evolved in the twentieth century, it moved away from things that can be directly observed with the naked eye to things that can be ‘seen’ only through measurements coupled with a theoretical train of logic. --Lisa Randall |