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(io9)   Physics professor Brian Cox claims time travel is possible, but only into the future and not into the past. Naked, confused guy from the future unavailable for comment   (io9.com) divider line 93
    More: Interesting, cox, physics, interstellar travel, Professor Brian Cox, time dilations, British Science Festival, speed of light  
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2952 clicks; posted to Geek » on 13 Sep 2013 at 9:49 PM (44 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-09-14 01:12:13 AM

Hagbardr: Shadowknight: space1999: I told my young son that his bed is actually a time machine.  If he lies down and closes his eyes, he'll travel eight hours into the future when he wakes up.

He didn't buy it.

Well duh.  A REAL time bed allows you to wake up before you went to sleep.  Getting a negative eight hours can be rough, though.  The fabric of space-time is kind of scratchy.

Try 100% cotton with a thread count of 500 or better.


I tried that, but the time bed kept sending me back to the plantation south, 1845.  

/that was a bad joke, and I'm sorry
 
2013-09-14 01:27:39 AM

ornithopter: What do we want? Time travel! When do we want it? That's irrelevant!

/obligatory
//also, you only need to hold the Time Travelers' Convention once....


How do we know that time travel is impossible?  We have never seen any time travelers!
 
2013-09-14 01:43:04 AM

Levian: Honestly, this is something that any respectable first year college physics student would be able to tell you.  The reason backwards time travel isn't possible is because it would require travelling faster than the speed of light, which remains theoretically impossible.  An infinite amount of energy is required to accelerate an object to the speed of light, making it impossible to reach, let alone go any faster.


When I turn on my kitchen light, I can take 2 steps into the room before it comes on.
So there.
 
2013-09-14 01:50:41 AM
Could I touch my future self without turning into goo?
 
2013-09-14 01:52:23 AM

gnosis301: Could I touch my future self without turning into goo?


Would you want to?
 
2013-09-14 01:56:25 AM

styckx: Oblig

[i.imgur.com image 315x210]




There is a hilarious movie on Netflix made about that ad called "safety not guaranteed". It has the hot chick from Parks & Recreations in it.
 
2013-09-14 01:57:13 AM

BafflerMeal: gnosis301: Could I touch my future self without turning into goo?

Would you want to?


Turn into goo? No. That's why I'm asking.
 
2013-09-14 02:02:08 AM
Ok let me ask you guys this: Say you were able to travel back in time and met your younger self.  If you gave him a blowjob, would that be gay?

/I'm asking for a guy a used to know
 
2013-09-14 02:05:02 AM

serial arseonist: Ok let me ask you guys this: Say you were able to travel back in time and met your younger self.  If you gave him a blowjob, would that be gay?

/I'm asking for a guy a used to know


How far would you get before turning into goo?
 
FNG [TotalFark]
2013-09-14 02:10:07 AM
I once heard a theory that time travel is theoretically possible, but you could only travel forward from the point the time machine became active.

Stewie, however, would beg to differ.
 
2013-09-14 02:11:43 AM

Hagbardr: We need further research into the wibbly wobbly nature of this timey wimey stuff.


The Willaby Wallaby nature?

/woo
//an elephant sat on you
///Willaby wallaby wee
//an elephant sat on me
/rum.
 
2013-09-14 02:13:27 AM

serial arseonist: Ok let me ask you guys this: Say you were able to travel back in time and met your younger self.  If you gave him a blowjob, would that be gay?

/I'm asking for a guy a used to know


Is it gay, or just masturbating?

Great question...lol
 
2013-09-14 02:25:14 AM
I invented a time machine that allows me to travel to the future at a rate of 1 second/second.
 
2013-09-14 02:29:21 AM

MatrixOutsider: I invented a time machine that allows me to travel to the future at a rate of 1 second/second.


You didn't invent that! I've been stuck in one my entire life

Though someone did invent a way to slow the process down
media.baycitizen.org
The guy on the stairs was 23 when he got in line
 
2013-09-14 03:02:27 AM

MatrixOutsider: I invented a time machine that allows me to travel to the future at a rate of 1 second/second.


i478.photobucket.com

/oblig.
 
2013-09-14 04:19:15 AM
"This is a picture of me when I was older"

"No shiat.  Lemme see that camera."
 
2013-09-14 04:21:21 AM

PsyLord: Travel near the speed of light and your "time" slows down.


Bzzzt wrong.

Accelerate to the speed of light... or any speed... and accelerate back in order to compare clocks.

Or, enter a gravity well, and then exit the gravity well in order to compare clocks.
 
2013-09-14 04:34:52 AM
Obligatory
www.nosnivelling.com
 
2013-09-14 04:59:42 AM

lasercannon: Obligatory
[www.nosnivelling.com image 660x728]


Is it bad that I've tried to memorise basic facts like that before just in case I somehow wind up in the past? All I need to do now is learn ancient languages.
 
2013-09-14 07:26:41 AM
I read about this in his newsletter The Cox Insider.
 
2013-09-14 07:32:26 AM
Ok, so 3d print me a time machine that can go 1000 years into the future. I need it by noon today.
 
2013-09-14 08:16:11 AM

assjuice: Ok, so 3d print me a time machine that can go 1000 years into the future. I need it by noon today.


I've made a few but they're all in the future now. I can't figure out the controls.
 
2013-09-14 08:37:23 AM
i36.photobucket.com

...begs to differ
 
2013-09-14 08:39:14 AM

Mugato: I read about this in his newsletter The Cox Insider.


I think I remember reading that.  Picked it up while I was waiting at a car dealership, Pinkly Taurus.
 
2013-09-14 08:42:20 AM

Nabb1: Laocoon: Marcus Aurelius: The fundamental problem is that time is more like ball bearings than Euclidian dimensions.

What the hell you need ball bearings for?

Aw, come on guys, it's so simple. Maybe you need a refresher course. It's all ball bearings nowadays.


You forgot the "Heeeyay!"...

Now prep that valve!
 
2013-09-14 08:47:49 AM

Levian: Honestly, this is something that any respectable first year college physics student would be able to tell you.  The reason backwards time travel isn't possible is because it would require travelling faster than the speed of light, which remains theoretically impossible.  An infinite amount of energy is required to accelerate an object to the speed of light, making it impossible to reach, let alone go any faster.


Clearly, you've never seen Star Trek. Or you could see how completely wrong you are.

/s
 
2013-09-14 08:49:39 AM
He needs a tambourine like Davy Jones.
 
2013-09-14 08:56:51 AM
 
2013-09-14 10:03:05 AM
The time travel in Primer is the best I've seen: you can only travel back to the point where you started the machine.
 
2013-09-14 10:10:46 AM
Time is gravity. We are falling into something and it's called tomorrow.

Time moves slower the faster you travel away from large quantities of matter.
 
2013-09-14 10:24:29 AM
Some people in this thread sound confused. He wasn't presenting a scientific paper where he is announcing this discovery. He was giving a lecture on science to non-scientists. He is taking on the the important job of keeping the world from falling into ignorance. He is fighting the good fight. The role that this man also took on.

i88.photobucket.com
 
2013-09-14 10:33:06 AM

Levian: Honestly, this is something that any respectable first year college physics student would be able to tell you.  The reason backwards time travel isn't possible is because it would require travelling faster than the speed of light, which remains theoretically impossible.  An infinite amount of energy is required to accelerate an object to the speed of light, making it impossible to reach, let alone go any faster.


There is no proof that breaking the light speed barrier would turn your clock backwards.  What it would do is put you over a threshold where it would be impossible to go slower than the speed of light.

Furthermore, Richard Feynam demonstrated that going "backwards" in time is indistinguishable from going "forward" in time.  Entropy happens either way.
 
2013-09-14 12:09:30 PM

thanksagainandagain: [images4.wikia.nocookie.net image 294x301]


i.imgur.com

"Hey, this is like that time ten years ago when a naked guy stole my pants."
 
2013-09-14 12:19:24 PM
Myria:

How do we know that time travel is impossible?  We have never seen any time travelers!

I've seen one
 
2013-09-14 01:00:48 PM

President Merkin Muffley: This may blow your mind, but we're traveling to the future RIGHT NOW


www.topcoder.com
 
2013-09-14 02:48:59 PM

lasercannon: Obligatory
[www.nosnivelling.com image 660x728]


Too bad 95% of that will be useless to you unless you get help, in which case you'll be branded a witch.

And a lot of it is silly.  It doesn't tell you HOW to build a radio, it vaguely mentions it.
 
2013-09-14 03:17:13 PM
Wasn't this the plot of flight of the navigator?
 
2013-09-14 03:25:51 PM

jayhawk88:  is NOT coming back in.


Much to reverendjim's eternal disappointment.
 
2013-09-14 04:15:39 PM

gnosis301: How far would you get before turning into goo?


You wouldn't turn in to goo.  That whole thing from the cheesy film Time Cop even disproves itself:  your future self can't exist in the same space/time as your current self.  Fortunatley irrespective of the amount of time difference between the two the matter will be vibrating at the exact same frequency (25Hz if I remember?) and thus you won't be able to step inside each other.  As you can't do that you can't be in the exact same space/time as your future/past self.

So yes you could give yourself a BJ.   It would however be gay.  Rohypnoling your past self and buggering them all night though?  Totally straight.
 
2013-09-14 04:16:51 PM

Dedmon: So is this guy claiming that the faster you go forward in space, the faster you go in time? So, all you have to do is repeat what has been known sense Einstein's time, and you're considered worthy of writing about?


There's no such thing as future or past if time is relative. Everything is moving to its own internal clock with regards to everything else. The concept of time-travel only makes sense if time is absolute. For instance, the atomic clocks on board satellites in geosynchronous orbit are moving slower than the ones on Earth due to relativistic speed, and they have to be updated periodically to be kept in sync. Now, when that happens, are the satellites in our past, or are we in their future? The answer is both.

There is no future or past. Things are moving at different velocities of time in relation to everything else.
 
2013-09-14 06:41:04 PM

cman: What if time were a dimension just as valid as length and width and height?

THINK ABOUT IT


It is; what's boggling is the idea of other axes of time.
 
2013-09-14 09:23:51 PM

The All-Powerful Atheismo: lasercannon: Obligatory
[www.nosnivelling.com image 660x728]

Too bad 95% of that will be useless to you unless you get help, in which case you'll be branded a witch.

And a lot of it is silly.  It doesn't tell you HOW to build a radio, it vaguely mentions it.


Would you prefer a 73 oldsmobile, a shotgun and a trunk full of high school textbooks?
 
2013-09-15 04:12:25 AM

lasercannon: The All-Powerful Atheismo: lasercannon: Obligatory
[www.nosnivelling.com image 660x728]

Too bad 95% of that will be useless to you unless you get help, in which case you'll be branded a witch.

And a lot of it is silly.  It doesn't tell you HOW to build a radio, it vaguely mentions it.

Would you prefer a 73 oldsmobile, a shotgun and a trunk full of high school textbooks?


No but I'd prefer a Delta 88 Oldsmobile, a chainsaw, and my trusty boomstick.  Also I don't need the textbooks.  I learned how to make gunpowder from Star Trek TOS.
 
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