are now reckoned to be some form of electrical charge. It's a dull explanation but seems to fit the facts.

Now I need someone to explain what these B52's are - ok it's off topic - and how anyone can cycle for six hours without collapsing. The RAF use me as virtual target practise in the summer - it gets like we're workmates.

Those GPS boxes would be darn useful for recording finds unequivocally but my choice would rather be a minidisk player, and a good mike, to bring the field sounds back 'to my desktop'.

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