Anup Singh Phagura Posts - TopicsExpress

#OnThisDay 1904: The automobile tire chain is
#OnThisDay 1904: The automobile tire chain is patented. #Snowchains, or #TireChains, are devices fitted to the tires of vehicles to provide maximum tr...

#OnThisDay 1960: Sputnik program: Korabl-Sputnik 2 – the Soviet
#OnThisDay 1960: Sputnik program: Korabl-Sputnik 2 – the Soviet Union launches the satellite with the dogs Belka and Strelka, 40 mice, 2 rats and a ...

#OnThisDay 1948: The Republic of Korea is established south of the
#OnThisDay 1948: The Republic of Korea is established south of the 38th parallel north. #SouthKorea ( listen), officially the Republic of Korea (Hangu...

#OnThisDay 1932: The positron (antiparticle of the electron) is
#OnThisDay 1932: The positron (antiparticle of the electron) is discovered by Carl D. Anderson. The positron or antielectron is the antiparticle or th...