You are viewing a single comment's thread from:RE: [Total over 77 SBD + 175 Steem power Awards] First Science-Fair on Steemit by SteemSTEM, Submission to Science Fair!! (Entry Post)View the full contextView the direct parentmcw (63)in #sciencefair • 7 years ago Here is my entry for the #sciencefair: https://steemit.com/sciencefair/@mcw/h2-steemstem-science-fair-entry-radioactive-detection-from-homemade-to-smartphone-app-steemstem-h2