steemitboard (66)in #news • 4 years agoRE: Engineers develop worlds most efficient semiconductor for thermal managementCongratulations @timtrostanov! You received a personal award! Birthday! - You are on the Steem blockchain for 2…steemitboard (66)in #news • 5 years agoRE: Engineers develop worlds most efficient semiconductor for thermal managementCongratulations @timtrostanov! You received a personal award! Birthday! - You are on the Steem blockchain for 1…steemitboard (66)in #news • 6 years agoRE: Engineers develop worlds most efficient semiconductor for thermal managementCongratulations @timtrostanov! You have completed the following achievement on Steemit and have been rewarded with new…