Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how to subvert them than we do now. And every day, science does learn more. In this film Horizon meets the scientists working on the cutting edge of discovery - men and women who may discover how to build wormholes, manipulate entangled photons or build fully functioning time crystals. In short, these scientists may enable an engineer of the future to do what we have so far been only able to imagine - to build a machine that allows us travel back and forward in time at the touch of a button. It could be you! Science fiction? Watch this space.
| Title | Horizon - Season 55 Episode 3 : How to Build a Time Machine |
|---|---|
| Alternative Titles | BBC Horizon |
| Subtitle Available |
 ETC.
|
| First Air Date | 1964-02-04 |
| Last Air Date | 2025-10-06 |
| Number of Episodes | 1173 |
| Number of Seasons | 61 |
| Genres | Documentary, |
| Networks | BBC Two, |
| Casts | |
| Plot Keywords | , |
Episodes List
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Horizon Season 55 :Episode 1 My Amazing Brain: Richard's War My Amazing Brain: Richard's War
2018-02-05Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 2 Teenagers vs Cancer: A User's Guide Teenagers vs Cancer: A User's Guide
2018-06-26Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 3 How to Build a Time Machine How to Build a Time Machine
2018-07-10Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 4 Spina Bifida & Me Spina Bifida & Me
2018-07-26Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 5 Jupiter Revealed Jupiter Revealed
2018-08-07Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 6 Stopping Male Suicide Stopping Male Suicide
2018-08-22Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 7 A Week Without Lying - The Honesty Experiment A Week Without Lying - The Honesty Experiment
2018-08-29Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 8 The Placebo Experiment: Can My Brain Cure My Body? The Placebo Experiment: Can My Brain Cure My Body?
2018-10-04Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 9 Body Clock: What Makes Us Tick? Body Clock: What Makes Us Tick?
2018-10-11Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 10 Avalanche: Making a Deadly Snowstorm Avalanche: Making a Deadly Snowstorm
2018-10-18Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 11 Vitamin Pills: Miracle or Myth? Vitamin Pills: Miracle or Myth?
2018-10-25Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 12 Diagnosis on Demand? The Computer Will See You Now Diagnosis on Demand? The Computer Will See You Now
2018-11-01Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
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Horizon Season 55 :Episode 13 The Contraceptive Pill: How Safe Is It? The Contraceptive Pill: How Safe Is It?
2018-11-21Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
