“1945-1998” by Isao Hashimoto is a video that maps 2,053 nuclear explosions — all but two of which tests — conducted across the globe; only North Korea’s recent tests are excluded, as they occurred after this video was made (2003). Each second represents a month of history — the 1950s and (especially) the 1960s were rather heavy decades for nuclear testing. Via MetaFilter .

The Map Room is a blog about maps by Jonathan Crowe, covering everything from collecting to the latest in geospatial technology.

It returned in January 2016 after a four-year hiatus.