Metal Detectors!!!

[nanoswift]

Guys I an Undergraduate student in Lancaster University (England) and I have a passion for metal detecting when I am not in UNI. Over the years I have spoke many of my lecturers and research staff about the depth of a metal detector and its soul destroying ability to pick up iron. Now so far I have been told that there is no other way of looking into the ground other than these
http://metaldetectingworld.com/reviews_pulse_metal_detector.shtml
http://whitesmetaldetector.com/spectrum.shtml

Believe me I am not ready to believe that there is no other way. Please if someone has a bright idea of how to make a new one using Solid State Physics or any other method, then please let me know!!! Thanks

[Dadface]

Guys I an Undergraduate student in Lancaster University (England) and I have a passion for metal detecting when I am not in UNI. Over the years I have spoke many of my lecturers and research staff about the depth of a metal detector and its soul destroying ability to pick up iron. Now so far I have been told that there is no other way of looking into the ground other than these
http://metaldetectingworld.com/reviews_pulse_metal_detector.shtml
http://whitesmetaldetector.com/spectrum.shtml

Believe me I am not ready to believe that there is no other way. Please if someone has a bright idea of how to make a new one using Solid State Physics or any other method, then please let me know!!! Thanks

My guess is that if anybody did have a bright new idea they would be looking into developing it and most reluctant to just give the idea away.

[alxm]

There are other ways at looking into the ground. Ground-penetrating-radar is used fo ra lot of stuff, and increasingly popular among archaeologists.

[Borek]

Throw in conductivity measurements.

[Dadface]

Try googling archeological geophysics.

[nanoswift]

Conductivity is what the MineLab company use, they are really good detectors but not very deep. The radar machine that the archaeologists use is not very effective because I knew one guy who spend £9500 to get one and it was rubbish and he couldn't even get his refund!!! So any other ideas???