Well, that explains it then!
Oh no it doesn't, 'causality' specifically rules out time travel as a possibility, unless the multiple timeline conjecture holds true.
Unless, of course ...
(I've been looking for somewhere to post this load of tosh wot I writ and this is as good a place as any ... )
THE ADVENTURES OF AN AMATEUR TIME TRAVELLER
CHAPTER ONE ... "DON'T MESS WITH STUFF YOU DON'T UNDERSTAND"
Imagine my surprise when I entered this police call box. It seemed quite a lot bigger than it appeared from the outside, not having a tape measure on me I couldn't verify this. I suspect some sort of extension into a higher dimension is the cause, but I could be wrong. After examining the somewhat Victorian looking equipment in there, I have come to the conclusion that it's someone's half-arsed attempt at a device for translocation into four (or possibly more) dimensions. It all seems a bit theatrical, like something from a British early sixties low budget SciFi series. Lots of levers and analogue dials with lights flashing all over the place and (for heaven's sake) black and white display screens, I ask you!! ... very amateurish to my mind.
Anyway, in the best traditions of the genre, I just happened to have my laptop with me and after much experimenting with what I assumed was the computer core, I managed to interface with the CPU and write a routine to access some of the functions of this device. Windows 7 gives me a MUCH better feel for what's going on, a custom GUI makes it all much easier to understand and, hopefully, control. What we appear to have here is a control system based on a Tesseract or Hypercube, in that each of the axes corresponds to a direction in space/time. Mouse controlled slider bars (my innovation) are much easier to use than the antiquated knobs and levers it replaces. You'd need to have four hands to control it using those.
As a short test to calibrate the controls I moved the slider the minimum possible distance in each of the four axes in a positive and negative direction.
Results below ... I think the settings are a tad on the coarse side ...
Time axis, negative setting ... just as well T-Rex is too big to get in!!
Time axis, positive setting ... who would have thought it!
A combination of three moderate but random settings on the three spacial axes seemed to take me beyond the limits of the known universe, that's according to the Doppler red-shift Hubble effect 'App' on my iPhone (I just KNEW I'd find a use for that eventually).
Some recalibration required, I think ...
I now have to sit down and think about the potential ramifications of this time travel thing ... I THINK I know what's what but if I come back from the past and the whole human race has changed into intelligent saurids then I apologise in advance, or retrospectively, or whatever ... that's another thing, I'll have to invent a whole new grammar to cope with time travel ... catch you later (or earlier) ...
NOTE TO SELF ... FIND THE LOO!!
To be continued/Yet to be started ...