Philosophy lecturer Alasdair Richmond explores whether time travel might actually be possible
Time travel comes to mind in light of the Doctor Who Christmas Special.
The Doctor travels through time and space in the TARDIS, meddling with the past and future as he likes.
Alasdair Richmond, a philosopher at the University of Edinburgh, takes a look time travel – might it actually be possible?
If it’s not, you can always play around with the TARDIS in this new VR version of the Doctor Who Time Vortex game.