Evidence for a series of unexploded bombs bombs lurking below an area of outstanding natural beauty in Canada has been unearthed by a pair of graduate students.

Spanning some 3,500 hectares, the Mer Blue Bog in Ottawa exists as a conservation area and popular tourist destination today. From 1942 to 1945, however—during the latter years of the Second World War—the peat bog served as a practice bombing range.

Now the bog has taken on another role as a site for graduate students Pablo Arzate and Sareh Mirbagheri to test out a new technology they have been developing at Carleton University in collaboration with 3XMAG Technologies.

Using drone-mounted magnetometry and radiometry along with advanced data processing techniques they are able to probe underground for certain non-organic mate

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