First of all Warm Welcome To You In this Tech hub.
As you said, Techulator is loaded with tons of information in various topics.
You can always ask your doubts with members and also clear out the doubts of others in Ask Expert Section.
You can post your knowledge and ask others how they feel about it in Form Section where you can get the various answers from various users.
Article section is where you can create your own articles about any technology related topics.
Please go through the FAQ's and forums for any doubts regarding the use of this site. You can always post your thoughts and doubts in forum section where other members or editors will try to help you.
And also you can get rewards from Ask Expert Section and Article Section for your valuable answers and articles according to the quality. There are also award programs going on Techulator, like Super Contributor Awards, Member of the month etc... and you can get those awards if you're eligible by various criteria.
Please go through the below link for currently active Reward programs on Techulator: http://www.techulator.com/forum/3759-On-going-Awards-Rewards-in-Techulatorcom.aspx
You can also make other members as your buddy and send virtual gifts and messages to them.
Hope you will find this site useful for your studies. Spend some spare time on techulator and grow your knowledge.
Wishing a Happy Day!
Thanks & Regards,
All I Can Do Is Be Me!