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/sci/ - Science & Math

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14618876 No.14618876 [Reply] [Original]

Hey /sci/ question came in my head that started bothering me.
So an object moving at relativistic speeds experiences time slower than everything else.
Does this mean it effectively takes longer to go somewhere near the speed of light?
Like I walk to my mailbox and back and it takes a minute. But I warp drive to my mailbox and come back and 60 years have passed and the bank foreclosed on my house. Does this mean we shouldn't even be trying to reach these speeds? Its basically just an incredibly inefficient time capsule.

>> No.14618879

Also fastman lifestyle confirmed cringe I guess.

>> No.14618883

>>14618876
Cum inside sinks

>> No.14618935

>>14618876
Wtf is that post in pic getting at? Reads so stupid.

>> No.14618941

>>14618935
defense of "tomboys"

>> No.14618945

>>14618876
Yeah so, speed magically moves the clock hand and thus within a minute your wife aged to 90 and you still 30. Somehow , fast speed, preserved you for 50 fucking years. It's the aging cream to make your peers real fucking jealous, whilst they're unable to walk far, you're still 30, and able to do assualt courses.

>> No.14618950

>>14618941
Ah k, American humour. Not funny.

>> No.14618966

>>14618950
its not supposed to be funny, retard. stop sucking Americas for two seconds and learn english.

>> No.14619005

>>14618876
That’s not how it works.
If you go to the sun (8 light minutes away) at relativistic speeds, for you, only a few seconds have passed. but 8 mins passed from when you started your journey and when you got to the sun. So in your example, you get to your mailbox instantly and a few nanoseconds have passed

>> No.14619097

>>14618876
No it means that if you go to the mailbox near the speed of light, you experience it as if you are going faster than the speed of light, but the world around you is aging faster, and when go get back to the house everyone else has lived longer than you did since you last saw them. So if we could keep accelerating at 1 G we could get to the edge of the galaxy during our life time but it would have aged 1000s of years by the time we got there.

>> No.14619135

>>14618876
No, it is incredibly useful. If you want to get somewhere, like another star system, you use time dilation and length contraction to effectively shorten your trip. As you speed up the observed distance between you and the star system shortens, while your relative velocity remains the same. This means you can make a light-year journey in less than a year, if you are on the ship that is. To outside observers it will take you a whole year to actually reach the star system, but you will have aged less than a year. If you wanted to colonize a habitable world 200 light years away, you wouldn't have to prepare for multiple generations of people living and dying on the colony ship. You would just need the people you sent originally on the mission, given you can accelerate the spacecraft close to the speed of light. Also, warp drives don't cause time dilation as you aren't physically moving to another location, you are instead moving the space around you.

>> No.14619709

>>14618876
Let's think about it.

An object travelling at relativistic speeds experiences time dilation, meaning that time appears to pass more slowly for the object than for something at rest. So if we imagine a person walking to their mailbox and back, and another person travelling to the same mailbox at near the speed of light, the second person would experience less time passing than the first.

>Does this mean that travelling at near the speed of light is inefficient?
It depends on how you look at it. If you're just interested in travelling from one point to another, then yes! It's much slower than just walking. But if you're interested in travelling through time, then travelling at near the speed of light is actually a pretty efficient way to do it.

Hope i make sense