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These days we have remote sensing satellites, plus sophisticated software to analyze their data, so it would be quite a bit more difficult to do something big a
by troymc 13y ago
These days we have remote sensing satellites, plus sophisticated software to analyze their data, so it would be quite a bit more difficult to do something big and go unnoticed.
- toomuchtodo 13y agoIf you rely on non-visible spectrum, its even easier. People and running equipment are going to stand out.
- stekoz 13y agoThere is a reason why Geographic Information Systems (GIS) were created in Canada back in the 1970.