When Donald Trump claimed US scientists split the atom in his inaugural speech ... Greek word for indivisible. In 1803, John ...

The scientist John Dalton carried out a series ... He suggested that an atom was a tiny solid ball. He published his ideas in 1803. This atomic model has changed over time. Scientists used the ...

Listen to the full series on BBC Sounds. Hans Geiger and Ernest Marsden tested the plum pudding model. They aimed beams of positively-charged particles at very thin gold foil. These particles ...

Michael Faraday and John ... atom. Keeping detailed weather records for more than 50 years. Writing the first ever scientific paper on colour blindness. Dalton was hugely influential. His atomic ...