21st century

New 21st century idea for Lent : giving up carbon

Wednesday, March 21, 2012 / Sustainable development / Leave a Comment

Here is a great idea for the million of Christians around the world. To Climate Progress : ” For many Christians, the 40-day period of fasting and reflection before Easter known as Lent is a chance to get in mental and spiritual shape. “ ” (…) this year, thousands of Christians worldwide are making a …

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Will molybdenite be better than graphene ?

Sunday, February 13, 2011 / Sciences / Leave a Comment

As CleanTechnica recently noted : ” A serious challenger has emerged to take on graphene’s title as the miracle material of the 21st century, and that is a common, silvery looking mineral called molybdenite. (…) The lead researcher asserts that compared to conventional silicon transistors, a molybdenite transistor would use about 100,000 times less energy …

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