History Main / TimeIsDangerous

* ''SevenDays''. There are so many things wrong with the Sphere. First of all, while it's [[ExactlyWhatItSaysOnTheTin very accurate]] [[TimeAndRelativeDimensionsInSpace in time travel, landing it]] ''[[TimeAndRelativeDimensionsInSpace where]]'' [[TimeAndRelativeDimensionsInSpace you want to be]] requires precise piloting. Second, [[OurTimeTravelIsDifferent Our Time Travel Is]] '''''[[AgonyBeam really]]''' [[AgonyBeam painful]]''. Third, well, go to the page and check out the list of {{PhlebotinumBreakdown}}s the machine suffered. That's probably not even the full list!

* ''SevenDays''. There are so many things wrong with the Sphere. First of all, while it's [[ExactlyWhatIsSaysOnTheTin very accurate]] [[TimeAndRelativeDimensionsInSpace in time travel, landing it]] ''[[TimeAndRelativeDimensionsInSpace where]]'' [[TimeAndRelativeDimensionsInSpace you want to be]] requires precise piloting. Second, [[OurTimeTravelIsDifferent Our Time Travel Is]] '''''[[AgonyBeam really]]''' [[AgonyBeam painful]]''. Third, well, go to the page and check out the list of {{PhlebotinumBreakdown}}s the machine suffered. That's probably not even the full list!

* Clock King uses a time-altering device to trap [[BatmanTheAnimatedSeries Batman and Robin]] in a "bubble" of slowed time, where seconds for them pass as hours on the outside. Batman points out that objects "outside" the bubble are moving relatively at tens of thousands of miles an hour while they are comparatively "standing still". Meaning there will be an enormous (think asteroid impact or nuclear weapon) explosion if anything collides with them in their "frozen" state. Fortunately Batman defuses the trap before it can happen.

*** Or make the track a centrifuge, so it'd be trivial to make a second pass at higher acceleration...

* This [[http://mindmistress.comicgenesis.com/gift1.htm Mindmistress story]] explores some dangers of time flow differences. Among other dangers, it's very unwise to hit anything hard while sped up. [[spoiler: Being trapped in high speed was not too healthy for someone, as she died by age in short real time.]]

*** This troper believes that this is the plot of a 1975 Larry Niven novella, "ARM," collected in ''Flatlander''.

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* This [[http://mindmistress.comicgenesis.com/gift1.htm Mindmistress story]] explores some dangers of time flow differences. Among other dangers, it's very unwise to hit anything hard while sped up. [[spoiler: Being trapped in high speed was not too healthy for someone, as she died by age in short time.]]

* {{Cracked}}.com has a [[http://www.cracked.com/article_18564_6-time-travel-realities-doc-brown-didnt-warn-us-about.html ist of reasons why time travel sucks]].

* {{Cracked}}.com has a [[http://www.cracked.com/article_18564_6-time-travel-realities-doc-brown-didnt-warn-us-about.html ist of reasons why time travel sucks.

* {{Cracked}}.com has a list of reasons why time travel sucks - from the mundane time paradox, through problems with immune system, the Earth moving from under you and finally aging at a faster rate (from your friends' point of view - some of your life is spent in different times).

* In ''{{Robots and Murder}}'', the time compressor invention was used to hide a murder. In the final arrest, the murderer was stuck inside bubble and cop was outside holding on legs. Unfortunately compression of time was in such way that the murderer died by thirst. Yes, the cop literally held the murderer till he died of thirst.
** Oh and how did this murderer kill? [[spoiler:By using a FLASHLIGHT from inside time compression sphere! The light come out hundreds of times stronger and literally burned the victim alive.]] That was the reason the cop had to hold on -- the murderer was trying to get to that [[spoiler:murder weapon flashlight]].

* ''TimeCop'', as explained in description, requires extremely high speed when they pass through the time travel field. There was one failure that just left two red spots on a heavy steel wall.

* In ''{{Robots and Murder}}'', the time compressor invention was used to hide a murder. In the final arrest, the murderer was stuck inside bubble and cop was outside holding on legs. Unfortunately compression of time was in such way that the murderer died by thirst. Yes, cop literally held the murderer till he died of thirst.
** Oh and how did this murderer kill? [[spoiler:By FLASHLIGHT from inside time compression sphere! The light come out hundreds of times stronger and literally burned victim.]] That was reason cop had to hold on, the murderer was trying to get to that [[spoiler:murder weapon flashlight]].
** The effects of double time compression (One inside another) were discussed, and one of effects is that light speed inside the time compression sphere would be just few feet a second. It means if punch was thrown, the arm will get shorter!
* In ''TimeShips'', the time traveling jeep was blown to pieces by intersection with reverse growing tree while they were traveling backwards with expiring fuel. Lucky, the time travelers survived.
* One of MichaelMoorcock's ''Dancers at the End of Time'' short stories has a time traveller trying to warn her era about the future, only to find that time itself won't let her. The harder she tries the more her time machine overheats, but she refuses to give up and dies in agony.

* ''TimeCop'', as explained in description, requires extremely high speed when they pass time travel field. There was one failure that just left two red spots on a heavy steel wall.

* In ''BackToTheFuture'', the time machine has to be travelling at 88 miles per hour. Which means that unless you know what's going to be in front of you when you arrive in the new timeline, you're going to crash.

* {{Cracked}}.com has a list of reasons why time travel sucks - from the mundane time paradox, through problems with immune system, the Earth moving from under you and finally aging at a faster rate (from your friends' point of view - some of your life is spent in different times)

However, not all time machine is like that. Some could get downright dangerous to use, because trivial mistakes in any time of time machine operation could get time travelers dead. Worse, the world or more could get destroyed by time machine itself. There can be many reasons on why time machine itself is dangerous. What if time machine overlaps matter on its arrival? What if what powers the time machine itself is dangerous, due to various reasons from radioactivity, instability, or just sheer amounts of power necessary? Or, some of the time machine's physics requirements are dangerous?

Now, not all time-related dangers are related with time machines. There are also many forms of time dangers, such as those caused by difference in time's flow. For example if there was a bubble of space where time is running 20 times faster, and you stick your hand in it, your hand will get 1/20 as much blood and therefore will start to die! You could lose the hand in a short time.

{{Temporal Paradox}} is a sub-trope to this. Compare HyperSpaceIsAScaryPlace.

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* In ''{{Time Ships}}'', the time traveling jeep was blown to pieces by intersection with reverse growing tree while they were traveling backwards with expiring fuel. Lucky, the time travelers survived.

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* ''{{Time Cop}}'', as explained in description, requires extremely high speed when they pass time travel field. There was one failure that just left two red spots on a heavy steel wall.

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* In a ''StarTrekTheNextGeneration'' episode, ''Timescape'', Picard is injured when he sticks his hand across the edge of a "time bubble", which causes his fingernails to age faster than his arm. Later, he experiences symptoms of "temporal narcosis" due to a malfunction of the equipment protecting him from being frozen in time.
* In one OuterLimits episode, the result of RippleEffectProofMemory is that an entirely new lifetime's worth of memories gets added onto the existing one, which could result in brain damage.

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* Cracked com has a list of reasons why time travel sucks - from the mundane time paradox, through problems with immune system, the Earth moving from under you and finally aging at a faster rate (from your friends' point of view - some of your life is spent in different times)

In many time travel shows, the time machine is generally safe to operate, and machinery itself is safe.

However, not all time machine is like that. Some could get downright dangerous to use, because trivial mistakes in any time of time machine operation could get time travelers dead. Worse, the world or more could get destroyed by time machine itself. There can be many reasons on why time machine itself is dangerous. What if time machine overlaps matter on its arrival? What if what powers the time machine itself is dangerous, due to various reasons from radioactivity, instability, or just sheer amount of power necessary? Or some physics of time travel requirements is dangerous. For example, in ''Time Cop'', the speed must be extremely high. What if time travel part didn't happen? In that movie, it happened once, and the corpses of both passengers is thinly spread on very thick metal wall.

Now, not all time-related dangers is related with time machines. There is also many forms of time dangers, typically from difference of time rates. For example if there was a bubble of space where time is running 20 times faster, and you stick hand in it. Your hand will get 1/20 as much blood and therefore will start to die! You could lose hand in a short time.

However, not all time machine is like that. Some could get downright dangerous to use, because trivial mistakes in any time of time machine operation could get time travelers dead. Worse, the world or more could get destroyed by time machine itself. There can be many reasons on why time machine itself is dangerous. What if time machine overlaps matter on its arrival? What if what powers the time machine itself is dangerous, due to various reasons from radioactivity, instability, or just sheer amount of power necessary? Or some physics of time travel requirements is dangerous. For example, in Time Cops, the speed must be extremely high. What if time travel part didn't happen? In that movie, it happened twice, and both corpses is thinly spread on very thick metal wall.

{{Temporal Paradox}} is a sub-trope to this.

* ''{{Time Cops}}'', as explained in description, requires extremely high speed when they pass time travel field. There was two failures and there's barely any trace on heavy steel wall.

* In {{Robots and Murder}}, the time compressor invention was used to hide a murder. In the final arrest, the murderer was stuck inside bubble and cop was outside holding on legs. Unfortunately compression of time was in such way that the murderer died by thirst. Yes, cop literally held the murderer till he died of thirst.

* In Time Ships, the time traveling jeep was blown to pieces by intersection with reverse growing tree while they were traveling backwards with expiring fuel. Lucky, the time travelers survived.

* Time Cops, as explained in description, requires extremely high speed when they pass time travel field. There was two failures and there's barely any trace on heavy steel wall.

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** Oh and how did this murderer kill? {{spoiler:By FLASHLIGHT from inside time compression sphere! The light come out hundreds of times stronger and literally burned victim.}} That was reason cop had to hold on, the murderer was trying to get to that {{spoiler:murder weapon flashlight}}.

* In Robots and Murder, the time compressor invention was used to hide a murder. In the final arrest, the murderer was stuck inside bubble and cop was outside holding on legs. Unfortunately compression of time was in such way that the murderer died by thirst. Yes, cop literally held the murderer till he died of thirst.
** Oh and how did this murderer kill? By FLASHLIGHT from inside time compression sphere! The light come out hundreds of times stronger and literally burned victim. That was reason cop had to hold on, the murderer was trying to get to that murder weapon flashlight.