The Strontium Dog series in the 200AD comic had T-weapons. They're grenades that displace everything in a bubble around them a few minutes forward in time. The problem for the target is that by then planet Earth has moved on in it's orbit and they're dumped into the vacuum of space.
The article and the book it's reviewing are discussions of the philosophical issues raised by time travel, in particular the logical paradoxes and metaphysical implications. They are not really looking at the practical aspects of it or the physics, except to the degree that those might impinge on the logical and metaphysical issues.
The article and the book it's reviewing are discussions of the philosophical issues raised by time travel, in particular the logical paradoxes and metaphysical implications. They are not really looking at the practical aspects of it or the physics, except to the degree that those might impinge on the logical and metaphysical issues.