Abraham said:
I'll be an AerE freshman this fall, and I was amazed at my university library's stacks of journals. The peer-reviewed journals seem to have so many articles and details, that it seems as though someone has already done some research on just about everything. So for anyone who is a researcher, do you spend most of your time conducting the research, or more time just searching for an unanswered question to study? Because (from a novice's perspective) it looks rather difficult to find anything new with so much already out there.
Thanks,
Abe
That is perhaps the most natural question in the world!
Personally, here's how I go- I pick a topic of interest (say mechanosensation, or the glassy state, or maybe some experimental technique like polarimetry or laser tweezers). The choice of topic is somewhat arbitrary, but is a balance between generic and specific. 'Topics' must be able to last for several years before becoming exhausted. I also select topics after consulting colleagues- since I am starting something new, I ask around to see if other people see the utility or are also interested in that topic.
Then, I hit the literature- what has been done already? Usually, there are some large 'open problems' (for mechanosensation, it's 'what is the transduction mechanism?', for the glassy state, it's 'how does the glassy state come to be?') which are not solved- if the major problems are solved, I pick another topic.
Typically what is in the literature is, broadly speaking, attempts to solve the unsolved problem. Maybe the papers represent the development of a model system. Maybe there are some preliminary solutions awaiting experimental confirmation. Maybe there are conflicting results- some people say the solution is 'x', another says the solution is 'y'.
Then I go into the lab and start doing what I want, to contribute to a better understanding of 'the topic'. A good research program is one where a solution leads to a new problem.
Anyhow, all that can take several months. As an advisor, I pre-select topics for students mostly to weed out the dead ends.