Matter is made up of atoms having dimensions approximately determined to be in the neighbourhood of the one fifty-millionth of an inch in diameter.
Atoms dimensions approximately determined with one fifty-millionth an inch in diameter.
Continuity as distinguished from may be considering what would be visible by magnification.
Definite amount of matter in visible universe, a number of molecules and atoms in huge number.
Phenomena of light and waves of all lengths are found in velocity of 186,000 miles in a second.