Take/get involved with basic physics courses with eye on developing/automating the lab course work (excel spread sheets, etc) and/or other things[0][1] that others can see/understand/demonstrate that you're interested in doing physics realted things.
[0] : https://docs.vizycam.com/doku.php?id=wiki:motionscope_app [1] : https://docs.vizycam.com/doku.php#applications