Week Eight

*Newton’s Three Laws and me
First Law ~ It happened before that I sat in a side-bus-seat when driver used brake my body to keep forward.

Second Law~ I can throw a basketball farther than a ping-pong ball.(?)

Third Law~ When I play skateboarding The third law acts when I play skateboarding.


*Our “Energy Efficient” Culture
Steam locomotive ,steam ship and hybrid car etc... many things.



*Descartes has a lot to answer for!

I read about his life by wikipedia. He said
"And so something which I thought I was seeing with my eyes is in fact grasped solely by the faculty of judgment which is in my mind."

I like his four rules for teaching complicated problem.
1:Only receive based on definite evidence for the proof.
2:Analysis
3:Synthesis
4:Examination