- Rockport, Washington (Wikipedia)
Rockport is a census-designated place (CDP) in Skagit County, Washington, United States. The population was 109 at the 2010 census. It is included in the Mount Vernon–Anacortes, Washington Metropolitan Statistical Area.
- Spacetime (Wikipedia)
In physics, spacetime is a mathematical model that combines the three dimensions of space and one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize relativistic effects, such as why different observers perceive differently where and when events occur.
