Recent content by brucephy

i am constructing a course for undergrad. year 1 student and it is about photovoltaic physics. Does anyone can recommend some website for me? it better have some animation and good picture, also java applet. For example, one photon strike on a solar cell, and then a electron bound out from it...

i would like to download some picture about General relativity and some pictures to finish my project. Did anyone know where can i get that? thank you

Really thank you for your help but i would like to have some picture about their stucture Do you where can i find that ?? THanks for your kind attention

i know there are so many types of windmill and they all have their specific advantages and suitable application. But i can't find the detail about that. )o( can anyone help me ??

hi every physics guy :smile: i have a project about windmill and i would like to get a lot of information about that. Can anyone give me some reference. Thankyou :!)

my friend tell me that there is a energy input from unknown system to our system. it can prove by constantly expand of my universe. is he correct?

thank for your kind reply

hey i want to know why the orbit of the Earth is not circular. is it becasue to the rotation axis of Earth is not inclined. can anyone explain it? thx for kind attendion

Thank you for your kind reply. let me learn much In fact, i want to know more what astrophysics can contribute to human??

Sorry for disturbing, i am a college student and feel interested in physics. So i would know some fundamentals Q about ASTROPHYSICS. 1) why do we study in astrophysics and what are our targets and what we want to get? 2) why astrophysics is divided in theoretical and observatable? what is the...