Helium-3 is a light, stable isotope of helium with two protons and one neutron. Other than protium, helium-3 is the only stable isotope of any element with more protons than neutrons. It was discovered in 1939.
China’s Space Race Surge – OpEd
China has accomplished a significant breakthrough in the global space race with the launch of its largest rocket, the Long March-5,..
Eurasia Review