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I realised this afternoon that I think about a lot more blog posts than I actually end up writing.

Here's one that often comes up when I'm sat on the bus home from work (not cycling in this bloody weather)...

Traffic lights are gradually being phased (aha) from incandescent bulbs with coloured filters to LED arrays.

This isn't hugely interesting I'm sure, but anyway I'll ramble on. My brain is telling me that the LED lights (quite apart from turning on and off more abruptly) are coloured subtly differently, although when I actually really concentrate on this, I think they're actually simply more vivid. They also appear more variable - not sure if this is age-related.

I had the impression that the green LEDs were a more minty-green colour (a tinge of blue I suppose), but the old ones are definitely minty too. I assume they've matched the colours pretty well actually.

Maybe it's not the vividness, it's the intensity. Maybe they're the same thing, except that intensity actually has a scientific definition, but I'm not sure vividness does.

This is maybe why I don't blog so much, these thoughts rarely go anywhere useful.
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cheekbones3

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