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High-Altitude Wind Energy: Huge potential — and hurdles

A host of start-up companies are exploring ways to harness the enormous amount of wind energy flowing around the earth, especially at high altitudes. But as these innovators are discovering, the engineering and regulatory challenges of what is known as airborne wind power are daunting.

Elsevier partners with edX to provide free versions of textbooks to MOOC students

Elsevier, the academic publishing giant, announced on Tuesday that it will offer a free version of one of its textbooks this fall to students who register for Circuits & Electronics, a massive open online course (MOOC) being offered by edX.

Romney: Bar teachers unions from giving to political campaigns – latimes.com

Mitt Romney said that teachers unions should not be allowed to contribute to political campaigns, because their financial backing tips the negotiation process away from the interests of students