Solr
An open source enterprise search server based on Lucene search library, with XML/HTTP and JSON APIs, hit highlighting, faceted search, caching, replication etc.
US Navy is developing a solar-powered plane that can fly for 90 days
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USA media distorting medal count to show USA ahead of China
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Show HN: The ML API for engineers who don't have time for ML
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Mathematicians Solve Decades-Old Classification Problem
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