These are designed to be ingame browser safe. If they aren't contact Ittey via evemail. Only click these links when you are docked or 100% certain you are safe, they may cause your client to lock up for a short while.
If you have no idea how any of this works, start here.
Picture by picture guide on how to start an invention job. - Very out of date, update when I get the time.
More advanced information that is nonetheless useful
List of decryptors that affect invention jobs.
What skills you need and how the ones you have affect the jobs