33
/it/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
2323913
195632
2
Public Timelines
FAQ

18 ottob 1900 anni - soddy

Descrizione:

Observed spontaneous disintegration of radioactive elements into variants he called "isotopes" or totally new elements, discovered "half-life", made initial calculations on energy released during decay.

Aggiunto al nastro di tempo:

Data:

18 ottob 1900 anni
Adesso
~ 125 years ago