# String Theory Explained – What is The True Nature of Reality?

## Important Vocabulary Words From The Video

alters is a word that is often used to describe people who have undergone surgery to change their appearance. The surgery can involve anything from changing their hair style to having surgery to change their sex.

• The actress had surgery to alter her appearance.
• The musician had surgery to alter his appearance.

When something is blurry, it's difficult to see or understand it. The picture is blurry because the camera was moved too quickly.

• The image is blurry because the camera was not moved quickly enough.
• The image is blurry because the camera was moved too slowly.

When something is indistinguishable, it's impossible to tell which one is which. This can be a problem when you're trying to identify someone.

• The clothes were indistinguishable and the police couldn't figure out who the thief was.
• The muddy footprints were indistinguishable from the other footprints in the mud.

Physicists are people who study the basic laws of physics. They are also responsible for developing new methods of measuring physical phenomena.

• The physicist was trying to find a new way to measure the speed of light.

To invent something is to come up with a new idea, to create something new. Inventors often have to think outside the box to come up with new ideas.

• His invention has revolutionized the way we cook pasta.
• She invented a new way to make ice cream.

To unify something is to make it into a single entity. When you unify two groups, you combine them into one larger group.

• The unions are trying to unify their members into one large group.
• The government is trying to unify the country into one large, unified force.

There are many possible universes, and each one has its own set of rules and laws. It's impossible to know which universe you are living in, or what the future will be like.

• There are an infinite number of universes, and each one has a different set of rules.
• The theory of multiple universes is still a theory, and it's not clear whether it's true or not.

Theorists are people who believe that there is a theory behind everything. They are usually very smart and know a lot about a particular topic.

• The theorist argued that the moon was created by the god Thor.
• The theorist argued that the earth was created by the god Zeus.

To be puzzling is to be difficult to understand or to be difficult to understand for a reason. When something is puzzling, it is not easy to understand or figure out.

• The sentence is very puzzling, and I don't understand why it's important.
• The solution to the puzzle is very puzzling, and I don't understand why it's important.