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Concentrating Solar Power

Concentrating solar power uses mirrors to concentrate and reflect solar rays to produce heat that is then used to make electricity usually through steam driven turbines.  It is still considerably more expensive than fossil fuels.  The advantage of concentrating solar power is that the heat can be stored, usually in tanks with molten salt.  It is then is available for use during nighttime hours.

concentrating solar power plant
From "Solar Power and the Electric Grid," National Renewable Energy Laboratory

See the three minute YouTube from the U.S. Department of Energy that explains concentrating solar power.

concentrating solar power you tube

Concentrating Solar Power has the disadvantage of using large amounts of water, often not available in sunny desert locations and not good for the environment.  The water use chart from Energy Self Reliant States compares forms of solar energy to nuclear and fossil fuels.

water use by power plants

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In June 2012, Think Again MN launched a history series that examines politics and policy-making in Minnesota during the last century from the immediate post World War II years up through the 1990s. That era witnessed fierce legislative battles at the State Capitol but it was also a time of shared values that cut across partisan lines. 

Read about it here

MN's Leading Election System

MN's Leading Election System

With Secretary of State Steve Simon


steve simon


Listen to Secretary of State Steve Simon's excellent presentation on MN's outstanding election system emulated by many other states at the Think Again Brooklyns forum January 19, 2016.  Secretary Simon includes ways in which it can be improved, and he explains why it is important to vote.  He concludes with a quote from a tee shirt:  "Failure to vote is not an act of rebellion.  It is an act of surrender."

Get details on how to vote at

Oregon's Automatic Voter Registration

How Oregon Became the Easiest Place to Vote in the US

By Lornet Turnbull
YES! Magazine
October 8, 2016

In January, Oregon became the first state in the country to begin automatically registering eligible citizens to vote when they obtain or renew their driver's licenses or state IDs, completely shifting the burden of voter registration from the individual to the government. 

Read the Article

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