I am sorry that I cannot elaborate more on that for now(4am) but the cooling effects of light are known for quite some time already. Please check laser cooling as a keyphrase.
For every one hundred comments that say that ideas do not matter I will have to add one comments that say:
IDEAS is what matter. Please do not confuse idea with a confused unclear statement with no connection with the specific implementation. Ideas is the specific intellectual way to move forwards and towards your goals.
The way your HN title is written it makes your project look like a fb plug in or somthing. You may be more direct in what is your interesting project about.