Bach Under The Stars
Sunday, 8 August 2010
About wind power and wind turbines
Great, but do steel mills run on wind power? How much oil, coal and natural gas do you need to build wind turbine?
How much Dysprosium and how much Neodymium does single wind turbine need? Where are new mines for these metal being opened? How much they are going to produce? At what environmental and economical cost?
These metals are the same as used in electric engines. How large portion of their resource are GE and other companies are willing to spend on wind turbines?
These are hard questions.
Dubai
This is common misconception in reality it is much poorer than neighbouring Abu Dhabi.
Current ruler of Dubai is very involved in speculation of immobilities, so he spend large money on advertisements and PR.
Wealth of Dubai is largely just facade. You can't build entire economy on real estate. Dubai lacs industry, education and healthcare.
Current ruler of Dubai is very involved in speculation of immobilities, so he spend large money on advertisements and PR.
Wealth of Dubai is largely just facade. You can't build entire economy on real estate. Dubai lacs industry, education and healthcare.
Deep Underground, Miles of Hidden Wildfires Rage
A surprising number of us live close to them. According to a review by the Department of Interior's Office of Surface Mining Enforcement and Reclamation, more than 100 fires are burning beneath nine states, most of them in Colorado, Kentucky, Pennsylvania, Utah and West Virginia. But geologists say many fires go unreported, driving the actual number of them closer to 200 across 21 states
Read more: http://www.time.com/time/health/article/0,8599,2006195,00.html#ixzz0w0ks0E8H
Read more: http://www.time.com/time/health/article/0,8599,2006195,00.html#ixzz0w0ks0E8H
Subscribe to:
Posts (Atom)