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This is a question "You're doing it wrong"

Chthonic confesses: "Only last year did I discover why the lids of things in tubes have a recessed pointy bit built into them." Tell us about the facepalm moment when you realised you were doing something wrong.

(, Thu 15 Jul 2010, 13:23)
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Blind spots
We all have em, don't we?

I've come across a wide variety over the years, from teachers that thought rivers ran from the oceans up to the mountains, to telecom engineers that didn't know what Residual Current Devices were (i.e. replacements for fuseboxes).

Perhaps the most concerning though, are the "ughh! man make fire" ones amongst t' youth of today, from the guy who when he saw our real fire place (chimney, grate) said "ooh, how does that work then? Do you just burn stuff on it, paper 'and that?'"... to some mates of ours that we left with all the prerequiste components for said fire whilst they were house sitting for us. These were, firelighters, rolled up newspaper, coal, and logs.


No problem you might think... well, we came back this:


[burnt out firelighter]
-------------------------
[slightly charred log]

And mine? It only recently dawned on me that stars don't actually 'come out' at night.
(, Wed 21 Jul 2010, 18:01, 1 reply)
RCDs are definitely not replacements for fuseboxes
They serve very different purposes. In general:

Fuse boxes are there to prevent damage to equipment.
RCDs are there to protect people from electric shocks.

An RCD won't prevent your stereo catching fire if it has a short-circuit failure and if you touch the live wire of your domestic supply, you'll be dead and crispy before you ever blow a fuse.
(, Thu 22 Jul 2010, 9:56, closed)

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