The name dark matter means that this form of matter is not visible because it does not interact with electromagnetic field.
The name dark matter means that this form of matter is not visible because it does not interact with electromagnetic field. Read more
The quantum theory says that our nose is not smelling the molecules, it is listening to them. This theory is based on the vibration of the chemical bonds. Read more
Atoms are very small, so small that the light wave cannot touch them, it simply passes through them. So, we need some methods to see atoms. Read more
The Thirteenth General Conference of International Committee on Weights and Measures defined one second to be 9,192,631,770 oscillations of Cs-133 atom. Read more
White light consists of seven different colours; VIBGYOR. The air molecules scatter the light which causes the blue colour of our sky. Read more