Hey guys,

Do you have any anouncement. If have please put it here.

What is the relationship between the size of the shadow and the positions of Bob's friend /light source?

Dear members,

Please add in our research and discussion here. Let's get started ...

Thank you,
blogmaster Li Xin

Dear Group Members,

Please kindly add in your group reflections for the week on the progress and flow of our APBL.

Thank you,
blogmaster Li Xin