Subject: is it possible to compress light?

hi i really want to know if light can be compressed like we can compress air, 
some time ago i heard from a friend that he read somewhere that light is able 
to bend, so i though if it is able to bend it may be able to compress aswell, 
i also though if you are able to compress light you can maybe use it as some 
sort of powersource, im really want to hear what you have to answer, thank you 
in advance

Re: is it possible to compress light?