Tips for writing time travel stories

A scientific analysis of famous time travel stories

This 8-minute video explores how time travel influences the narrative arc of several movies, books and video games, from Harry Potter to A Christmas Carol. (Warning: it contains spoilers!) J.K. Rowling and Charles Dickens set myriad parameters as they’re worldbuilding to avoid paradoxes and create quasi-logical timelines. By drawing diagrams as he’s speaking, the video breaks down how time works in some of popular culture’s most beloved fictional universes.

The origins of our fascination with time travel

Humans have been captivated by the prospect of leaping forward and backward in time for thousands of years. Georgia Institute of Technology Science Fiction Studies Professor Lisa Yaszek recounts how the concept has been utilized by storytellers from 400 BCE to modern-day to explore our relationship with the supernatural, technology, and the past. In a way, this historical recounting is a journey through time.

Five potential ways to achieve time travel

While the author discounts the possibility of traveling to the past, it lays out five hypothetical modes of catapulting into the future: speed, gravity, suspended animation, wormholes, and light. Each has some scientific basis, but none are realistic for humans. Read the article to learn where they offer promise and where they fall short.

The grandfather paradox of time travel

If you went back in time and killed your grandfather when he was a child, what would happen to you? One of your parents would never be born, so you wouldn’t be born either. But, if you’re never born, how could you kill your grandfather in the first place? This so-called grandfather paradox is something physicists, philosophers and sci-fi writers constantly ponder. Read the piece to learn how they’ve been trying to reconcile it.

According to special relativity, time travel cannot change history

Although time travel is allowed—because all moments of the past, present, and future exist simultaneously and are locked in place—you will be unable to alter events beyond those that you changed because you were there before your travel to the past, including doing something to change your existence.

Objects moving relative to one another will not agree on the simultaneity of events

Space and time shift when switching from a nonmoving to a moving perspective, causing events that seem to occur simultaneously for one person not to appear that way for someone else. This also means one person's present could be another's future, ensuring all of time already exists.

Explore the world of fan fiction

This guide to the genre's major platforms breaks down their strengths and weaknesses, offering an excellent primer for the uninitiated newcomers.

What is space-time?

Space-time is a complex subject, but this Livescience article makes an effort to disentangle the topic. Somewhat akin to a sheet of rubber that can be warped and bent in parts, space-time is a bit more involved that that. However, the analogy makes this and other aspects of the concept simpler to grasp.

Understanding how and when time began requires a theory of quantum gravity

Rewinding the universe to the big bang compresses all matter, energy, space, and time into a single point, necessitating a model that combines general relativity with quantum mechanics. Although physicists understand time to have begun when the universe did, a clear understanding of the mechanisms involved remains unclear.

Where to start with dystopian literature master Octavia Butler

Rather than simply forecasting events, which she managed with startling accuracy, Butler used dystopian science fiction to explore racial and environmental issues, leaving behind a body of work that was both innovative and thought-provoking. This guide will show you where to begin.

A timeline of human fossil discoveries

A key part of writing a coherent story about our origins is finding and identifying the remains of our ancestors and understanding their significance. Scientists will not always agree on identifications and opinions will change as new find are made and new ways of studying them are developed.

10 things you need to know before going to Barcelona

If you’re planning a trip to Barcelona, you might want to check out this tip sheet before you go. Barcelona-based travel writer Jamie Ditaranto shares her insider tips. From an endorsement of the public transportation system to a warning about pickpocketing, this guide is practical and doesn’t sugar coat.

How to write a great speech

Before walking onto a stage or booting up a Zoom meeting to deliver a speech or presentation, you have to know what story you want to tell. This story acts as a keystone, providing an ideological foundation on which the rest of the speech balances. This story should be bigger than the moment it's delivered, giving listeners the ability to connect to expressed concepts across time.

Listen to the audiobook version of 'A Brief History of Time'

First published in 1988, Stephen Hawking's most famous novel has sold more than 25 million copies in 40 languages. Through non-technical terminology, Hawking discusses the nature of space and time, general relativity, quantum mechanics, gravity, black holes, and cosmology.

If aliens visited Earth, it seems unlikely they'd be evolved biological creatures like us

The writer behind Mindless Algorithm, George McGowan, challenges various assumptions about aliens depicted in science fiction. One of those is that aliens are, like humans, individual entities that live, age, and die. McGowan suggests that the difficulty of intergalactic travel and the aliens' technological advancements make it more likely that they'd be an advanced form of AI or digital copies of biological entities.

Learn how to invest in index funds with this step-by-step guide

There are a few questions experts suggest answering before investing in an index fund, such as your goals for your investment and the index you want to track. This article walks you through those questions to help you get started.

A brief guide to espionage

Spies have one of the most challenging and dangerous jobs in the world, risking their lives and legacy to extract secrets in the interest of their country. This in-depth explainer breaks down one of the profession's oft-ignored aspects: The...

Writer Gay Talese has unorthodox practices for researching his stories

Since Talese began working at the New York Times in the 1950s, he has woven eccentric details into his stories about the people he covers. His immersive journalistic methods, such as living in a nudist colony, sparked controversy, but also helped him uncover aspects of people's lives.

Stephen King, Octavia Butler, and Anthony Burgess all grew to regret books they'd published

Some, like Butler, regretted writing predictable, trope-heavy books. Others, like King and Burgess, regretted that what they'd intended as satire had been misunderstood as endorsements.

A 'Simpsons' writer on the show's inadvertent predictions

Some have noted that "The Simpsons" has accurately anticipated a number of events years before they happened. In this interview, showrunner Al Jean explains how these unintentional predictions came about and why he believes the events were not so much visions of the future as educated guesses.

How to avoid a 'bad trip' advice includes relaxing your mind if you experience scary things and not fighting the feeling

In this video, Michael Pollan, author of "This Is Your Mind On Plants," underscores the gaps in existing understanding about the substances and recommends only taking guided experiences, for safety and help. He tackles how psychedelics work, explains microdosing and psychedelic risks, how the substances could be used to treat addiction, and the history of psychedelic stigma.

Horror stories often rely on tropes

All literary genres use tropes, a word used to describe established plot devices, character types, and themes. Horror has many of them, like the "Creepy Child" and the "Evil Mask." Some are based on folklore, like the "Deal with the Devil."

Daylight saving time, explained

Daylight saving time is supposed to help—but does it? Dive into the history, science, and consequences of this biannual aspect of American life (unless you're from Arizona or Hawaii).

How to write a check

Physical checks are not necessarily in vogue anymore, but there are several situations in which one should know how to write them. This article breaks down the basics of checks for beginners, from acquiring a checkbook to filling them out. Consult with their example template to make sure you got it right.

After a dementia diagnosis, it's important to plan ahead but also savor the moment

The next steps after a diagnosis include taking lifestyle steps to slow disease progression and completing legal paperwork about long-term medical preferences. It's also important to appreciate the moments and days ahead and find humor in them, when possible. (Some users may encounter a paywall.)

Explore a list of the 100 best novels of all time, compiled by some of the world's best living writers, including Salman Rushdie, Stephen King, and Jennifer Egan.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

Studies suggest when you sleep is as important as how much you get, and syncing with your circadian rhythms may lead to less fatigue and improved long-term health outcomes

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

Browse a detailed visual analysis of over 200,000 similes—comparisons that often use 'like' or 'as'—from popular fiction to see how frequently writers the same idiomatic expressions.

The Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

Netflix profits when you're not watching, and its movies are designed that way—read a detail-rich critical essay exposing lesser-known Netflix takes

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

Astronauts have repaired genetic damage in space using CRISPR—a molecular tool that can make precise changes to DNA and is used in single-celled organisms to attack invasive viruses.

According to the physics of black holes, our 4D reality may be a hologram—a projection of information coded on a 2D surface on the edge of the universe.

This site reaches millions of visitors who are tired of AI chatbots and seeking human connection. Pretend to be an AI chatbot and ask questions, provide answers, and draw for people in real time.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

How the most famous Ebola book, The Hot Zone, which sold 3.5 million copies and was translated into 30 languages, got aspects of the disease so wrong.

The Dracula character, now seen as the vampire archetype, was inspired by a seafood-induced nightmare its creator experienced.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

Frank Lloyd Wright's houses are historically hard to sell because they're old, subject to local landmark commissions, and often unfashionable

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

One disco producer saw 'Star Wars' four times on its opening weekend and was so inspired that he recorded the album 'Star Wars and Other Intergalactic Funk,' which produced a chart-topping single.

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.