Hello, I have to say I am feeling the same way about radio freq. and microwave topics. ---- It is something I am not interested in and that I don't know about.
Please try searching essayforum for terms related to your field, and see what you find.
You know, if you just collect 10 articles written in the past 5 years, you will see that many of them will have literature review, and that means they will summarize all recent research. When you real a few lit reviews, you will be very familiar with all that is going on, and if you still are not interested, consider trying a different field! :-)