The paradox of the time machine goes away if you cannot go back before the invention of the time machine.
The third hypothesis is of course the one that nature somehow always manages to prohibit it.. and those three are probably all the time travel variants you'll ever need.
Heater. wrote: »
Do you have a feeling that all this waiting for the PII is slowly driving us all round the bend?
msrobots wrote: »
Time Travel is already existing.
Just in one direction. And slow. To travel one minute in time it will take about a minute to do so.