Weird rows of dots in the Amazon

A couple of years ago a GEB reader asked us about a row of dots he had found in the Amazon. At first we thought it might be a small aircraft and a similar effect to the well-known 'rainbow … [Read more...]

Google Earth’s ‘background’ imagery

As we have discussed before Google Earth shows different imagery depending on the zoom level and whether or not you are in 'historical imagery' mode. We have also talked about how the ocean bathymetry … [Read more...]