posted on Aug, 7 2007 @ 05:08 PM
this is not brand new but new to alot of press...
Here is story of Jewish Scientist who has a concept of time machine that would allow those in the future to come back in time..it also doesn't
violate certain known time machine models (eg Weak Energy Condition, closed timelike curves that are preexisting or produce curvature singularity)
Also more can be found in Physical Review Letter July 8 of 2005
"A class of Time Machine Solutions with Compact Vacuum Core"