He published his ideas in 1803. This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did not ...

In ancient Greece, most people thought that matter was made up of combinations of four elements: earth, air, fire and water. There were a small number of Greeks who had a different idea. They ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined ... properties. Over the years other ...

As a result, directly observing the three-dimensional atomic structure of individual nanoparticles over time in liquid environments remains a formidable technical challenge. Unlike nanoparticles ...