# Who made the quantum field theory?

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Paul Dirac

## Can you split a quark?

Quarks are fundamental particles and cannot be split.

## What is quark theory?

Quark. A quark is any of a group of subatomic particles believed to be among the fundamental constituents of matter. ... According to prevailing theory, quarks have mass and exhibit a spin (i.e., type of intrinsic angular momentum corresponding to a rotation around an axis through the particle).

## What is the smallest observable particle?

electron neutrino

## What is the largest thing in the universe?

The largest known structure in the Universe is called the 'Hercules-Corona Borealis Great Wall', discovered in November 2013. This object is a galactic filament, a vast group of galaxies bound together by gravity, about 10 billion light-years away.

## Why Planck length is smallest?

So why is the Planck length thought to be the smallest possible length? The simple summary of Mead's answer is that it is impossible, using the known laws of quantum mechanics and the known behavior of gravity, to determine a position to a precision smaller than the Planck length.

## How Planck length is calculated?

In physics, the Planck length, denoted ℓ P, is a unit of length. It is also the reduced Compton wavelength of a particle with Planck mass. It is equal to 1.×10−35 m. It is a base unit in the system of Planck units, developed by physicist Max Planck.

## How many Planck lengths are in the universe?

The number of Planck volumes (cubic Planck lengths) in the observable universe is around \(4.

## Is there a smallest unit of space?

The smallest possible size for anything in the universe is the Planck Length, which is 1.

## Is nanometer The smallest unit?

A nanometer (nm) is 1,000 times smaller than a micrometer. It is equal to 1/1,h or one-billionth of a meter. When things are this small, you can't see them with your eyes, or a light microscope. ... Atoms are smaller than a nanometer.

## What are the units of measurement from smallest to largest?

Here are the common metric units of length from smallest to largest.

• A millimeter is the smallest unit. Millimeters are most useful when measuring really tiny things. ...
• A centimeter is the next smallest unit. ...
• A meter is a little more than 3 feet.
• A kilometer is used to measure longer distances.

## Which is bigger an atom or a grain of sand?

Which is bigger, an atom or a grain of sand? The atom is bigger. They are the same size.

Gpc