Tuesday, August 28, 2007

GPD growth vs Electricity growth

Traditional economy growth is manufacture based industrial growth, which is heavily depending on energy supply. So in traditional industrial economy, electricity growth is often highly correlated to GPD growth.

However, in today IT age, service oriented economy will not demand too much energy since a faster runing computer might need actually less energy than old vacuum electronic tubes computer. An economy based on tourism will not demand tromendous increase of energy either. In IT age, increased productivity often end up with less energy usage.

So old model of Electricity growth correlation with GPD will not apply in information technology based economy.

Tuesday, August 14, 2007

Survey disparity

NY Times about evolutionary biology


One survey, recently reported by the federal government, concluded that men had a median of seven female sex partners. Women had a median of four male sex partners. Another study, by British researchers, stated that men had 12.7 heterosexual partners in their lifetimes and women had 6.5.

But there is just one problem, mathematicians say. It is logically impossible for heterosexual men to have more partners on average than heterosexual women. Those survey results cannot be correct.

It is entirely possible to get such disparity if you consider cut off age for the survey.

For example, at age 70, there are more females than males alive. One old guy might actualy have mutiple female girfirends at the same time. Yet all these surviving females share only one old guy. Now you get the picture.

Who dares to chanllenge conventional view or genius could become anothergenius.