Science Friday: Jet Lightning during the Perseids | Scientists solve puzzle of converting gaseous carbon dioxide to fuel

giantjet_pan_960

Explanation: That’s no meteor. While watching and photographing this year’s Perseid Meteor Shower, something unexpected happened: a gigantic jet erupted from a nearby cloud. The whole thing was over in a flash — it lasted less than a second — but was fortunately captured by an already-recording digital camera. Gigantic jets are a rare form of lightning recognized formally only a few years ago. The featured high resolution color image, taken near the peak of Shikengkong mountain in China, may be the best image yet of this unusual phenomenon. The same event appears to have been captured simultaneously by another photographer, further away. The gigantic jet appears to start somewhere in a nearby thundercloud and extend upwards towards Earth’s ionosphere. The nature of gigantic jets and their possible association with other types of Transient Luminous Events (TLEs) such as blue jets and red sprites remains an active topic of research

http://apod.nasa.gov/apod/ap160823.html


Scientists solve puzzle of converting gaseous carbon dioxide to fuel

Saving the planet from climate change with a grain of sand

Date:
August 25, 2016
Source:
University of Toronto
Summary:
Every year, humans advance climate change and global warming by injecting about 30 billion tons of carbon dioxide into the atmosphere. Scientists believe they’ve found a way to convert all these emissions into energy-rich fuel in a carbon-neutral cycle that uses a very abundant natural resource: silicon. Readily available in sand, it’s the seventh most-abundant element in the universe and the second most-abundant element in the earth’s crust.

https://www.sciencedaily.com/releases/2016/08/160825113217.htm

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