Land lost vs. land gained

We recently came across this interesting article by National Geographic about a recent study of land/water changes over the last 30 years. The study is by researchers at the Deltares Research … [Read more...]

Remembering 9/11 with Google Earth

We have done a number of posts in past years covering various aspects of the 9/11 terrorist attacks and the subsequent rebuilding of the World Trade Center, so today we will only be looking at some of … [Read more...]

Weird altitude effects in Google Earth

Yesterday we made some Google Earth tours of various US parks. We recorded the tours using Google Earth's built in 'Record a tour' button on the tool bar and then navigating with a SpaceNavigator 3D … [Read more...]

US National Parks in 3D for centenary

In our August month-end post we mentioned that Monument Valley, Arizona / Utah was now in 3D in Google Earth. Several other US parks also received 3D imagery at the same time. What we didn't realise … [Read more...]

Italy’s earthquake

As of this writing, Google has not updated 'historical imagery' for almost three months. Up until mid-June they had been updating it almost weekly. As a result, there have been a lot of events over … [Read more...]

Were US spy satellites from the 70’s better resolution than Google Earth?

We recently came across this story in which a former engineer on the US spy satellites known as Keyhole-9, claims that the imagery they got from those satellites were 'better than Google Earth'. We … [Read more...]

Higher resolution contours with Mapzen altitude tiles

We recently did several posts about drawing contours using altitude data from different Altitude API services. The first version used the Google Maps Elevation API and the second used Mapzen's … [Read more...]

The best of Google Earth for August 2016

Google has not updated 'historical imagery' for nearly two months, so we have not been able to monitor imagery updates. Just yesterday, a number of new 3D areas were discovered and reported in the … [Read more...]

‘Stabilizing’ our Landsat imagery animations

We have recently been doing a series of posts about Sentinel and Landsat imagery on Amazon Web Services (AWS), including releasing a KML file that automatically retrieves thumbnails of Landsat 8 … [Read more...]

India–Bangladesh enclaves

We recently came across this humorous take on the complicated border between India and Bangladesh. The video mentions that India and Bangladesh had agreed to swap enclaves in 2015 in an effort to … [Read more...]