Hy,

With background in  PCB (Physics, Chemistry, Biology) subjects, there are several career paths and academic options you can consider.

You may consider pursuing engineering courses that align with your interests and strengths. Popular branches include Mechanical Engineering, Electrical Engineering, Civil Engineering, Aerospace Engineering, etc.

You can explore various B.Sc. (Bachelor of Science) programs, example B.Sc. Physics, B.Sc. Electronics, B.Sc. Astrophysics, B.Sc. Geophysics, etc.