The emission over, and the fragment of the atom gone, the residue is no longer radium, but is something else.Continuing Early Science of
Deducing Sub-Atomic Particles
Atoms of matter are not simple, but complex; each is composed of an aggregate of smaller bodies in a state of rapid interlocked motion, restrained and
Why is Radioactivity Significant?
Many forms of matter can evaporate, and many others emit scent; wherein, then, lies the peculiarity of radioactive substances, if the power of
Radium Leads to Radioactivity
In the theory of atomic transformation the emanation of radium is the first product of disintegration and is transformed in its turn.Continuing
Early Science of Radioactivity
This series has seven easy 5 minute installments. This first installment: Ms. Curie on Early Radioactive Research.IntroductionThis is the story
Idea of Stationary Earth Destroyed
Today's installment concludes Copernicus Revolutionizes Astronomy,our selection from Great Astronomers by Sir Robert Stawell Ball published in
First Discoveries of Copernicus
Introducing Copernicus Revolutionizes Astronomy,serialized in two easy 5 minute installments.So, does the universe revolve about the Earth or
Poland Wants In
Time: September 29, 1938Place: Warsaw, PolandIn the aftermath of the Munich Agreement, Poland sends a note to Czechoslovakia, demanding they cede them