Scramjets

>What is A ScramJet there is very little Info on how a Scramjet really
>operates. From what I read it basicaly just a ramjet where the shape is
>designed to operate at hypersonic Environment, is there any truth to my
>deduction or am I entirely Wrong......

It may be a vexing question. See:

http://www.americanscientist.org/template/AssetDetail/assetid/14779


>And what is WaveRider - I can't find any technical info on this on Google.

Try searching using the terms "waverider" and "hypersonic" together.