## Last topics

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### Table of Contents:

- Who made the quantum field theory?
- Can you split a quark?
- What is quark theory?
- What is the smallest observable particle?
- What is the largest thing in the universe?
- Why Planck length is smallest?
- How Planck length is calculated?
- How many Planck lengths are in the universe?
- Is there a smallest unit of space?
- Is nanometer The smallest unit?
- What are the units of measurement from smallest to largest?
- Which is bigger an atom or a grain of sand?
- What is the largest unit of matter?

## Who made the quantum field theory?

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.

## What is the largest unit of matter?

Gpc

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