Russia 🇷🇺 @Russia
⚛️ #OTD in 1960 the #U300 cyclotron was first launched at @Joint_Institute in #Dubna - most powerful heavy ion accelerator (until 1977). It was here that the 104 & 105 elements (#Rutherfordium & #Dubnium) of the Periodic Table were synthesized, proton radioactivity discovered! https://t.co/JZxHUyFWdy — PolitiTweet.org