Without getting into a debate about Mideast politics, I note that a key factor in the current violence has been the extensive tunnel network Hamas has built to initiate surprise attacks against sites in Israel. Question: Wouldn't widely available seismic sensors, ground penetrating radar and other technology make it possible to detect tunnels under construction? How do these devices work and what are their limitations?
via JREF Forum http://ift.tt/1ka1S6p
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