It's International Orange, which is apparently the colour that contrasts most with all other colours.
Is the correct answer. It is also the reason that life-jackets, life-boats, life-rafts and the smoke from distress flares are also orange.
I believe it's called a Black box because the inventor of it had the surname Black. So rather than be called a Black Box, it should be called a Black Box
It's got nothing to do with anyone called Black, it's just a term used to describe a device that transfers data(The bloke that came up with the concept was actually a German mathematician called Wilhelm Cauer).
Really a Black Box is a sealed thing. You stick the input in at one end, get the output at the other, but have no idea what's going on inside it. Bit like our midfield, really.
no colonolel mustard is one of the usual suspects. it was dr black what gone done in. possibly in the library with the lead pipe.