This ought to be under "shameless self-promotion" as well as "Mad, Mad, Mad," but a few months ago I wrote a piece for Newsweek on one Ronald Mallett, who claimed that (a) time travel was possible and (b) he could make it happen. Like I said, mad. Here's the thing, though -- he may be right. The time machine pictured with him here is a movie model, but he's planning to build a real one:
Basically, he wants to "swirl" empty space the way you'd swirl coffee in a cup, using a laser as the stirrer. Because... READ ON