Or: Screw you Sony!
The PS3 is alive! Which clearly calls for this gif...
The method from the dude of YouTube? Completely works! Cue me and dad going :O and 'no way!' and *high fives*. Being the electrically minded sort dad understood the principle but wasn't convinced it'd work.
And, tbh, it may happen again sooner or later. But we've fitted a fan near it to draw the hot air away and I have backed up all the save games on it and got the disc out. If it goes, it goes. The repair only cost us £10. So far it has be tested with Lego!Jack Sparrow's flailing (which surely uses a lot of processing power, right?) and all is fine.
A far cooler (ooo! a pun!) piece of electronics I got today was this:
'But that's not electronics', I hear you puzzle. 'That's clearly just a little ninja!'
Yeah, it's a ninja USB drive. My files feel REALLY protected now.