New top story on Hacker News: Engineers develop bone-like metal foam that can be 'healed' at room temperature

New top story on Hacker News: Engineers develop bone-like metal foam that can be 'healed' at room temperature New top story on Hacker News: Engineers develop bone-like metal foam that can be 'healed' at room temperature Reviewed by Qamar javed on August 29, 2019 Rating: 5

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