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Lightweight, bendy, cheaper – the promise of organic solar panels

Organic 'solar trees', demonstrated at Expo 15 in Milan, Italy, give a glimpse of lightweight, flexible solar cells in action. Image credit - ARMOR/GerArchitektur

The future of solar energy

Today's silicon solar panels are an industry standard, but these rigid, heavy blocks may be shunted aside by plastic rivals – lightweight, flexible solar panels that could be printed and stuck onto buildings or placed in windows or cars, turning light into electricity in locations inaccessible to their heavier cousins.

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The Secret Troves of Etymology

Image credit: unsplash.com by Hal Gatewood.com

The word Energy

Energy is one of those words that most of us use on a daily basis. It has both everyday and scholarly meanings. We all know what does it mean and yet that could really mislead us whenever we are trying to examine the full range of its connotations and its origins. Let's set out on a trip towards the roots of one of the most common words today.

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Could we harness energy from black holes?

Photo credit: JPL-Caltech/NASA

Study indicates that energy can be extracted from black holes

A new study indicates that, someday, energy could be extracted from black holes.

A remarkable prediction of Einstein's theory of general relativity -- the theory that connects space, time, and gravity -- is that rotating black holes have enormous amounts of energy available to be tapped.

For the last 50 years, scientists have tried to come up with methods to unleash this power.

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