I tried it as a skeptic, but its hard to deny what happens in your own hands. It was demonstrated by someone who works in archeology and is highly respected in her field with a track record of finding buried structures (roman villas, neolithic burials etc).
Ignoring or ridiculing an observable phenomenon because you have no explanation. Even though that ridicule has precluded any sort of mainstream scientific study. Is pretty unscientific IMO.
Superposition or the simultaneous wave/particle properties of light sound pretty batshit to the layman. But im glad they are being investigated enough to at least present hypotheses to test.