[NVDave]

Without getting overly geeky on you, the “bending” property of waves is part of how the wave/particle duality of light was discovered and sorted out.

[Las Vegas Ron]

Without getting overly geeky on you

Thanks,I watched some simulations of it and understand it now. I also saw a show on Einsteins theory of curved space and gravity and can grasp that too, I have to admit curved light still, well, throws me a curve though :)