>>>It has occurred to me that if mankind is going to expand to other planets sometime in
>>>the future (The sooner the better) then a new engine type must be invented.
>>>Chemical rockets will not do it and solar sails only work in solar wind.
>>>Ion engines are not powerful enough either. If anti-gravity becomes possible
>>>it will need gravity to work againts to produce motion and the further away
>>>from a gravitaional source, the weaker it would get. So, do you have any ideas
>>>on a solution for this future NASA problem?
>>
>>http://www.universetoday.com/2008/08/11/warp-drive-and-cloaking-devices-not-just-science-fiction-anymore/
>
>Makes me wonder... if the light flows around a cloaked object, is it dark inside the object? At least in the deflected frequencies? And, would it deflect laser too?

Good questions. They say the effect is broadband, so that would seem to include laser. Did you check the math?

http://arxiv.org/PS_cache/arxiv/pdf/0806/0806.4396v1.pdf