https://i.ytimg.com/vi/axupr4h-vF8/hqdefault.jpg
Using photogrammetry based on aerial 830nm IR images, we derive the curvature of the earth surface in the upper mid-west states to a stunning precision.
source
https://i.ytimg.com/vi/axupr4h-vF8/hqdefault.jpg
Using photogrammetry based on aerial 830nm IR images, we derive the curvature of the earth surface in the upper mid-west states to a stunning precision.
source
