The size of an atom is only a few angstroms at most - there are 10 billion angstroms in 1 meter. This video also goes the basic parts of an atom (protons, neutrons, and electrons) and why the ...

Back in 1930s a fouryearold Delhi girl shook the nation with just four words I have lived before As a little girl she was discouraged by her parents but for Shanti Devi reuniting with her family from ...