{"items": [{"author": "Bill", "source_link": "https://www.facebook.com/jefftk/posts/10100115229815362?comment_id=10100115254880132", "anchor": "fb-10100115254880132", "service": "fb", "text": "Can I suggest a \"dry run\" if you haven't already made one?  You could easily try out the thermal mass thermos over a morning at home.  You'll need to allow some margin for the outdoor ambient during travel from home to school.  (This could be simulated; or with some test data, it could be calculated.)  And I'm sure that once your child sees how to use a food thermometer, they will be able to check their own food temperature, if not in kindergarten then in first grade.    Cooking and science are delightfully intermixed!", "timestamp": "1570720878"}, {"author": "Jeff&nbsp;Kaufman", "source_link": "https://www.facebook.com/jefftk/posts/10100115229815362?comment_id=10100115254880132&reply_comment_id=10100115255289312", "anchor": "fb-10100115254880132_10100115255289312", "service": "fb", "text": "&rarr;&nbsp;Dry run here: https://www.jefftk.com/p/thermal-mass-thermos", "timestamp": "1570721172"}, {"author": "Bil", "source_link": "https://www.facebook.com/jefftk/posts/10100115229815362?comment_id=10100115256891102", "anchor": "fb-10100115256891102", "service": "fb", "text": "And that is exactly what Grandma told me. Just without the graphs &amp; numbers.", "timestamp": "1570721837"}]}