33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
2184109
182899
2
Public Timelines
FAQ

27 ene 1930 año - James Chadwick

Descripción:

Investigated the nucleus and identified the neutron. Put beryllium in vacuum chamber with polonium. Hydrogen target placed and protons flew out. Conservation of momentum and energy Chadwick found mass as 1.0067 times proton

Añadido al timeline:

20 nov 2018
0
0
332

fecha:

27 ene 1930 año
Ahora mismo
~ 95 years ago

Fotos: