Question: How many angels can dance on the head of a pin meaning?

How many angels can you fit on a pinhead?

We derive upper bounds for the density of angels dancing on the point of a pin. It is dependent on the assumed mass of the angels, with a maximum number of 8.6766*10exp49 angels at the critical angel mass (3.8807*10exp-34 kg).

What does angels dancing on the head of a pin mean?

Noun. angels dancing on the head of a pin pl (plural only) (figuratively) The subject of arcane intellectual speculation; used as an example subject of enquiry the pursuit of which is of no value.

Who first asked how many angels can dance on the head of a pin?

What was the origin of the old debate about how many angels can dance on the head of a pin? THIS POETICAL and interesting question was raised by Thomas Aquinas ( 1225-1274 ).

How many atoms can fit on the head of a pin?

how many atom can fit on the head of a pin? About five million million hydrogen atoms could fit. Some factors would affect that number like the area of the head and the size of atoms (as well as attractions between atoms). Some atoms are larger than others.

How big is the head of a pin?

The head of an average pin is approximately 100 thousandths of an inch (. 100″ or 1/10″) in diameter. The point is approximately 5 thousandths of an inch in diameter (.

How many atoms are in a human body?

Short Answer. There are approximately 7 x 1027 atoms in the average human body. This is the estimate for a 70 kg adult human male. Generally, a smaller person would contain fewer atoms; a larger person would contain more atoms.

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Are atoms mostly empty space?

Atoms are not mostly empty space because there is no such thing as purely empty space. Atoms are filled with electrons. It’s true that a large percentage of the atom’s mass is concentrated in its tiny nucleus, but that does not imply that the rest of the atom is empty.

Which is the lightest of all atoms?

Hydrogen, most abundant in the universe, is the chemical element with atomic number 1, and an atomic mass of 1.00794 amu, the lightest of all known elements. It exists as a diatomic gas (H2).

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