I work as a wildlife tour guide in the Scottish Highlands so I travel widely in remote corners of the northern Highlands and islands. On two occasions in late 2009 I have come across a pile of odd objects (see photos) scattered on the ground. The first time was on a remote island in the Orkneys; the second was a few weeks later at an altitude of around 900 metres in the Cairngorm mountains. Had they been near a road or habitation I would probably have dismissed them as just some sort of household electronic debris, but in both cases they were miles from anywhere. The pile I found in the Cairngorms was at least a 2-hour walk from any road, track or building. They appear to have a burnt and pitted charcoal-like solid centre encased in a hard, plastic-like cover. The ones in the Cairngorms also had some small charred battery-like cylinders with them. Can anybody suggest what they are, and why they ended up in such unexpected locations?
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