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Earth Hour: Monuments to go dark as 20th edition kicks off

The 20th edition of Earth Hour has begun in New Zealand and is slowly progressing around the globe. The event aims to raise awareness about climate change.

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Earth Hour: Monuments to go dark as 20th edition kicks off
DW News
The 20th edition of Earth Hour has begun in New Zealand and is slowly progressing around the globe. The event aims to raise awareness about climate change.

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Scientists trap light in a layer 1,000x thinner than hair

Researchers have created a nanoscale structure that traps infrared light in a layer just 40 nanometers thick—over 1,000 times thinner than a human hair. By using a unique material with exceptional light-bending properties, they can confine and...

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