A patent to detect substances by infrared like Esteban used.

[Esteban]

Originally Posted by hung

They do Esteban, they do. Actually much more than that.

But assure yourself that in all parts of the world there are hidden 'little NASAs' that also hate publicity as well.
It's not USA exclusive anymore. Welcome to globalization...

Yes. Since NASA and his men patent surveying aerial for track minerals...