Consider doing some computer chair exercises to help loosen your body and mind, which can get quite stiff and out of sorts.
Try these Darabee yoga exercises, easy to do with your computer chair.
Doing research related to Engineering involves looking at multiple subjects and sources, since engineering is such an interdisciplinary subject.
In this subject guide for Engineering, you will find a variety of science related databases as well as books that may be useful. However, if you are just exploring engineering or are in a rush, you should start with the following sources: