Hacker News Top Stories with Summaries (November 21, 2023)
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<h1> Hacker News Top Stories</h1>
<p>Here are the top stories from Hacker News with summaries for November 21, 2023 :</p>
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Northvolt develops state-of-the-art sodium-ion battery validated at 160 Wh/kg
Summary: Northvolt has developed a state-of-the-art sodium-ion battery with an energy density of over 160 Wh/kg. The technology is safer, more cost-effective, and sustainable than conventional chemistries, and uses abundant minerals like iron and sodium. The battery is designed for energy storage and is expected to enable cost-efficient electric mobility solutions in the future.
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Orca 2: Teaching Small Language Models How to Reason
Summary: None
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