When Hans Geiger and Ernest Marsden direct alpha particles at a thin gold foil, the expectation is that almost all of them ...
Imagine firing tiny particles at a sheet of gold and expecting almost all of them to pass straight through. That was, broadly, what Ernest Rutherford and his colleagues expected. What happened instead ...
It was 100 years ago today that Ernest Rutherford put forward the 'planetary' theory of the atom with a very small positively charged nucleus orbited by electrons, a discovery that underpinned ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results