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Separating time and space is the stuff of science fiction. Marty McFly can stay in the same place, Hill Valley, California, but travel backward and forward in time. The Star Trek transporter can move people from one location to another in an instant. I am not a physicist but as I understand it, one of the implications of the Theory of Relativity is that space and time are inter-connected. As well as  knowing where different objects are, you need to know when they were there. So the Captain’s Log doesn’t just begin with the ‘stardate’ it also records the location or intended destination of the USS Enterprise. Many churches that are holding online communion services have opted to approach it using password-restricted ‘Zoom’ meetings. They see this as necessary for at least two reasons. Firstly, it recognises the need to maintain some level of eldership oversight. Those taking part need an ‘invitation’, and are typically members or at least regular adherents of the local church. Secondl