Quote:
Originally Posted by Vintage_RC
I was also fascinated by an exhibit which was an automatic door which opened as you approached it. I don't think it would impress kids today.
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Yep, I remember that one. I had an ORP12 LDR in a Triang-Lionel thing at home, but the science museum card called theirs a 'Magic Eye' which seemed a bit hocus pocus to even this young kid (about 7 then) Theirs might have been a photomultiplier, i suppose.
David