But SAR can see changes after earth-quakes https://maps.disasters.nasa.gov/arcgis/apps/MapSeries/index.html?appid=a6e721ce85704bdfb3ef3f9e0b780a9b https://maps

But SAR can see changes after earth-quakes https://maps.disasters.nasa.gov/arcgis/apps/MapSeries/index.html?appid=a6e721ce85704bdfb3ef3f9e0b780a9b https://maps.disasters.nasa.gov/arcgis/apps/MapSeries/index.... So it can track your mum