This tech:useful for intercontinental travel by HYPERLOOP in future


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The Most Intimate Portrait Yet of a Black Hole


New image released of M87's black hole | Space | EarthSky
4 days ago


nytimes.com

The Most Intimate Portrait Yet of a Black Hole

Two years of analyzing the polarized light from a galaxy’s giant black hole has given scientists a glimpse at how quasars might arise.

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Bill Gates
 

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A few details about my new climate book
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