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Comment: Current technology is already efficient (Score 4, Interesting) 116

Considering that the theoretical minimal energy requirement for seawater desalination is approx. 0.75 kWh/m3 and current RO technology can be as low as 1.5 to 2 kWh/m3 (+ an other 2 kWh/m3 to pretreat the seawater) then I am really wondering how they will gain two orders of magnitude less energy? Can anybody enlighten us about that?

Comment: Paying tax as an exile US-citizen is not fun! (Score 1) 911

by drmaxx (#39976947) Attached to: Facebook Co-Founder Saverin Gives Up U.S. Citizenship Before IPO
Paying tax as an US citizen living abroad is not fun. You are double taxed, the rules change every second year, you don't get any straight forward answer from the IRS, you HAVE TO use a tax lawyer to file taxes and you're still not sure that you did things correct. The punishments for doing something wrong are ridiculous (e.g. my friend suppose to pay a 5% fine on her German husbands bank account, as a punishment that she did not list his account in her tax form although she has access (credit card) to his account). Even if you try to do the right thing you get treated as a potential criminal. And this for paying money to the US and not using any of the benefits you suppose to get from taxes. As long as the IRS doesn't make it easier for their citizens abroad to get rid of their money they will see many more of these cases.

Comment: Not news... (Score 3, Informative) 292

by drmaxx (#39760831) Attached to: Beneath Africa, Survey Finds 'Huge' Water Reserves
It's not new that there are huge groundwater resources in Africa. The only new thing in the article is that they mapped it in more detail then ever before. And these resources are also heavily utilized today. However, using groundwater for food production is not without great danger - the keyword here is salinification.

The trouble with the rat-race is that even if you win, you're still a rat. -- Lily Tomlin

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