It is a very comprehensive framework backed by extensive experimental evidence and is the foundation of modern particle physics. The Standard Model extends ... explained the atomic spectra of ...

Did you know that the concept of atomic theory was first explored over 2,500 years ago in ancient India? Long before modern science, an Indian sage named Acharya Kanad proposed the idea of indivisible ...

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 model to make predictions. Sometimes the results of ...