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Category: space – Page 814

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Posted by Michael Lance in space

Now you can discover Daymet Daily Surface Weather Data, which includes precipitation, temperature, and other weather variables from 1980–2018 through the NASA Application for Extracting and Exploring Analysis Ready Samples (AρρEEARS) application!

About AppEEARS: AρρEEARS offers users a simple and efficient way to perform data access and transformation processes. By enabling users to subset data spatially, temporally, and by layer, the volume of data downloaded for analysis is greatly reduced. Sample requests submitted to AρρEEARS provide users with data values and associated quality data for a variety of remote sensing data products. Two types of sample requests are available: point samples of geographic coordinates or area samples of vector polygons. Interactive visualizations with summary statistics of the sample results are provided within the application to allow the user to preview and interact with their sample before downloading the data.

Explore NASA’s AppEEARS: https://lpdaac.usgs.gov/tools/appeears/

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A new way to store information in molecules could preserve the contents of the New York Public Library in a teaspoon of protein, without energy, for millions of years.

Books can burn. Computers get hacked. DVDs degrade. Technologies to store information–ink on paper, computers, CDs and DVDs, and even DNA–continue to improve. And yet, threats as simple as water and as complex as cyber-attacks can still corrupt our records.

As the data boom continues to boom, more and more information gets filed in less and less space. Even the cloud–whose name promises opaque, endless space–will eventually run out of space, can’t thwart all hackers, and gobbles up energy. Now, a new way to store information could stably house data for millions of years, lives outside the hackable internet, and, once written, uses no energy. All you need is a chemist, some cheap molecules, and your precious information.

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Circa 2016

Entanglement is an extremely strong correlation that can exist between quantum systems. These correlations are so strong that two or more entangled particles have to be described with reference to each other, even though the individual objects may be spatially separated.

It has been shown that even if two uncorrelated quantum systems that don’t know anything about each other can still become entangled in a quantum vacuum without being limited by the speed of light.

Quantum theory states that the quantum vacuum isn’t really empty. Quantum fluctuations of the electro-magnetic field vacuum are entangled. These fluctuations can interact locally with two space-like separated atoms and entangle them even if the two atoms never communicated with one another, or even if they never exchanged any information at all. This phenomenon is known as entanglement harvesting.

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There is enough room in the world’s existing parks, forests, and abandoned land to plant 1.2 trillion additional trees, which would have the CO2 storage capacity to cancel out a decade of carbon dioxide emissions, according to a new analysis by ecologist Thomas Crowther and colleagues at ETH Zurich, a Swiss university.

The research, presented at this year’s American Association for the Advancement of Science conference in Washington, D.C., argues that planting additional trees is one of the most effective ways to reduce greenhouse gases.

Trees are “our most powerful weapon in the fight against climate change,” Crowther told The Independent. Combining forest inventory data from 1.2 million locations around the world and satellite images, the scientists estimate there are 3 trillion trees on Earth — seven times more than previous estimates. But they also found that there is abundant space to restore millions of acres of additional forests, not counting urban and agricultural land.

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