{"id": 672063927006724096, "lang": "en", "text": "73 years ago today on a squash court in Chicago, Enrico Fermi produced the first self-sustaining nuclear reaction \u27a2 https://t.co/Gci6M386Je", "urls": [{"url": "https://t.co/Gci6M386Je", "expanded_url": "http://1.usa.gov/1N1wtMd"}], "user": {"id": 166252256}, "id_str": "672063927006724096", "source": "<a href=\"http://measuredvoice.com/\" rel=\"nofollow\">Measured Voice</a>", "deleted": false, "hashtags": [], "retrieved": "2016-12-12--14-02-35", "created_at": "Wed Dec 02 14:45:01 +0000 2015", "retweet_count": 22, "user_mentions": [], "favorite_count": 8, "legacy_imported": true}