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Gav1n

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Gav1n

Why is yellow hard to see?

What's special about the colour yellow that makes it harder to see against a white background than the other primary colours?
13:52 Thu 30th Dec 20045 answers, last by slimfandango 23:58 Tue 04th Jan 2005
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Gav1n

Tube lines interchange

Can anyone think why there's no interchange between the Hammersmith&City/Circle/Metropolitan line and the Northern/Victoria line at Warren Street? If you look at the map...
19:09 Sun 05th Dec 20044 answers, last by ianess 21:35 Tue 07th Dec 2004
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Gav1n

Dark moving spots on flourescent tubes

I have noticed that some of the flourescent tubes used to light train carriages on the District Line have dark spots moving down them. The speed and distance between the spots varies between...
18:28 Sun 05th Dec 20042 answers, last by ideasman 06:27 Wed 08th Dec 2004

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