Related topics: energy · wind farms · wind turbines

Expandable foam for 3-D printing large objects

It's a frustrating limitation of 3-D printing: Printed objects must be smaller than the machine making them. Huge machines are impractical for printing large parts because they take up too much space and require excessive ...

Monitoring, deterrence and curtailment make skies safer for bats

The German word for bat is Fledermaus, which translates literally to "flutter mouse." But while some bats do look like mice fluttering on leathery wings, bats are more closely related to humans than rodents. And, as NREL ...

Intelligently recovering and recycling balsa wood

There are 30,000 wind turbines in operation in Germany, many of which are starting to age. In 2019, 2000 rotor blades had to be discarded; in 2024, this figure will shoot up to 15,000. But where to put these up to 90-meter-long, ...

An early warning system for damage in composite materials

A team at the National Institute of Standards and Technology (NIST) has developed a tool to monitor changes in widely used composite materials known as fiber reinforced polymers (FRPs), which can be found in everything from ...

Consider marine life when implementing offshore renewable power

With countries such as Iceland, Costa Rica, New Zealand, and Norway adopting green energy practices, renewable energy now accounts for a third of the world's power. As this trend continues, more and more countries are looking ...

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