Log in Sign up
Back to Discover
⚛️

Future

physical science Maturity 13-18

The future is what comes next.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg
It is the time after now. It will surely happen. We can think about it. It can be a good thing. Do you wonder what is next?

36 words

The future is what comes next.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg
It is the time after now. It will surely happen.
World line.svg
World line.svg
Some things last forever. Other things will end. Some people think the future is already decided. Others study what might happen. This is called future studies. Some people feel happy about what is coming. They might feel hopeful. We can wonder about what the world will be like.

75 words

The future is the time that comes after now.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg
Because of time and physics, the future must arrive. Some things are permanent, which means they last forever. Other things are temporary and will eventually end.

In physics, time is the fourth dimension. Scientists say spacetime is like a stretchy fabric. This fabric can bend because of gravity. Some thinkers believe in presentism. This is the idea that only the present is real. Others believe in eternalism. This is the idea that the past and future are also real.

World line.svg
World line.svg

Special relativity is a theory about how time works. It shows that time can change for different people. If you travel at very high speeds, time moves slower for you. You could even travel into the future this way. Some scientists think a wormhole might let people travel through time. This would need the power of a whole star!

People also think about the future in many ways. Some people are optimists. They see the world as a positive place. Others are pessimists. They expect bad things to happen.

188 words

The future is the time that comes after the past and the present. Because of the laws of physics, its arrival is seen as inevitable.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg
Everything in existence can be put into two groups. Some things are permanent, which means they will exist forever. Other things are temporary, which means they will eventually end. In some views, the future is seen as a straight line. This is called a linear conception of time.
World line.svg
World line.svg
This idea helps people project a timeline of what might happen next.

In the world of physics, time is known as the fourth dimension. Scientists describe spacetime as a stretchy fabric that can bend. This bending happens because of forces like gravity. In special relativity, the flow of time is relative to the observer. If you travel at very high speeds, time seems to move slower for you. This means the future is not the same for everyone. You could even travel into the future by moving very fast. However, you could never come back from that trip.

World line.svg
World line.svg

Many thinkers have studied how time works throughout history. Saint Augustine once proposed a very specific idea about the present. He said the present is like a sharp knife edge. He believed it sits between the past and the future. He also suggested that God exists outside of time. Later, a thinker named William James had a different view. He said our conscious experience of time has a short duration. We are constantly aware of this brief moment as it passes.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg

Different beliefs change how people view the years to come. Some people practice presentism, which is the belief that only the present is real. They think the past and future are just stories or fictions. The opposite idea is called eternalism. This is the belief that the past and future exist eternally. There is also a theory called the growing block theory. This idea says the past and present exist, but the future does not yet.

Stanford Torus interior.jpg
Stanford Torus interior.jpg
These ideas help explain our place in the universe.

Our minds also use the future to help us act today. We often use anticipation to prepare for what is next. Some people have an optimistic outlook, which means they see the world as positive. They might say a glass is half full rather than half empty. Others are pessimists and expect bad results or problems. We also use special words in grammar to talk about time. In English, we use different tenses to show when things happen. We can say someone "will walk" to show a simple future action. This helps us organize our thoughts about the world around us.

457 words

The future is the period of time that follows the past and the present. Because of the laws of physics, the arrival of the future is considered inevitable. Everything that exists can be categorized as either permanent or temporary. Permanent things will exist forever, while temporary things will eventually end. In Western or Occidental views, time is often seen as a linear progression. This means the future is viewed as a projected timeline of events that are anticipated to occur.

World line.svg
World line.svg

In the field of physics, time is understood as the fourth dimension. Scientists describe spacetime as a stretchy fabric that can bend due to forces like gravity. In classical physics, the future is simply one half of a timeline that is the same for all observers. However, the theory of special relativity changed this understanding. It shows that the flow of time is relative to an observer's frame of reference. The faster an observer travels away from a reference object, the slower that object appears to move through time. This means the future is not an objective notion for everyone.

World line.svg
World line.svg

Modern physics introduces the concept of the absolute future, also called the future light cone. While people can move in three spatial dimensions, many physicists argue we can only move forward in time. Special relativity suggests a person could actually travel into the future by traveling at very high speeds. This effect is tiny under normal conditions, but space travel at high speeds changes the flow of time significantly. A person traveling near the speed of light for a short time might return to an Earth that is many years in the future. Some physicists also propose that wormholes or cosmic strings could theoretically allow for time travel. Physicist Michio Kaku noted that powering a machine to punch a hole in spacetime would require the energy of a star.

Philosophy offers several different ways to understand the existence of time. Presentism is the belief that only the present moment truly exists. Under this view, the past and the future are considered unreal or logical fictions. The opposite view is eternalism, which claims that the past and the future exist eternally. There is also the growing block theory of time. This theory postulates that the past and the present exist, but the future does not yet exist.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg

Historical thinkers have debated these ideas for centuries. Saint Augustine proposed that the present is a knife edge between the past and the future. He believed the present could not contain any extended period of time. He also suggested that God exists in eternity, outside of time. Later, William James argued that conscious experience is extended in time. He described time as a short duration that we are constantly and incessantly sensible of. These debates help scholars understand how humans perceive their place in the universe.

Religions also address the future through various specific lenses. Many religions study eschatology, which is the study of the end of time or the end of the world. This can include prophecies about the ultimate destiny of humanity. Other religions focus on karma or the concept of an afterlife. An afterlife is the continuation of a soul or spirit after physical death. Some traditions, like Buddhism, believe in reincarnation without referring to a God. Other views, like materialism, are skeptical of the supernatural and believe an afterlife is impossible.

Stanford Torus interior.jpg
Stanford Torus interior.jpg

Psychology explores how human behavior involves anticipation of the future. This is often seen through different mental outlooks. Optimism is a view that the world is a positive place. People with this outlook often believe that situations will work out for the best. Pessimism is the opposite, where a person emphasizes bad or undesirable outcomes. The word comes from Latin roots meaning "worst" and "bad." There is also the concept of hope, which is a belief in a positive outcome even when there is evidence to the contrary.

Finally, the future is a key part of how we use language. In English grammar, there are four different future tenses. The future tense describes actions that are expected to occur. The future continuous tense describes actions that will happen and continue for a period. The future perfect tense refers to actions that will be completed at a specific time. Lastly, the future perfect continuous tense describes actions that are expected to be continuing through a certain point in the future. These tools allow us to organize our thoughts about what is to come.

Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg

762 words
🖼️ Images & Media (4)
File:Zeitpyramide 2023 B.jpg
Zeitpyramide 2023 B.jpg
File:World line.svg
World line.svg
File:Stanford Torus interior.jpg
Stanford Torus interior.jpg
File:Sortie de l'opéra en l'an 2000-2.jpg
Sortie de l'opéra en l'an 2000-2.jpg
Up Next
⚛️
Present
Physical Science
More to explore

🔬 Go deeper

More advanced topics to explore

🪜 Step back

Simpler topics to build understanding

What is Nepedia?

A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.