David King

The author describes how Muslims over the centuries have determined the sacred direction towards Mecca and presents two highly sophisticated Mecca-centred world-maps for finding the qibla . These recently-discovered world-maps have forced a reevaluation of Muslim achievements in mathematics and cartography

In this paper I examine a recent scientific claim that travel into the past, so long as a ‘consistent’ trajectory is followed, may be possible. I then argue that the possibility of such travel has unexpected implications for the free will‐determinism debate. In particular, human existence may be, at best, determinate but uncaused.