Flaw with back to the future ??

[CarlinAnnArbor]

Someone has way too much free time on their hands.


The Earth is spinning 1000 mph at the equator.
The Earth is going around the Sun at 67,000 mph.
The Sun is orbiting the galaxy at 500,000 mph.
The galaxy is flying through space at about 2.2 million mph.

Now go outside and jump up off the Earth as high as you can over and over and see what happens.

That's because we're moving with the earth.

If you're on a jet flying at 600 mph and you jump up, you'll land exactly as if you jumped in your back yard

 

[james bond]

james bond
This is a thousands of years in the future
. We also don’t have any viable energy source .

Stop it. I said it's imaginary and that's where it will likely stay. Why don't you just enjoy sci-fi lol?

 

[JoeMoma]

Stop it. I said it's imaginary and that's where it will likely stay. Why don't you just enjoy sci-fi lol?

It is imaginary. I agree, at minimum let's just enjoy sci-fi. However, how much science fiction has become science reality in just the last few decades?

 

[toobfreak]

That's because we're moving with the earth. If you're on a jet flying at 600 mph and you jump up, you'll land exactly as if you jumped in your back yard

Not me, DA, I once jumped up during a flight and landed back in the seat on a flight behind me in another jet! I only move along with the Earth out of stubbornness because it is the easier thing to do.

 

[JoeMoma]

Not me, DA, I once jumped up during a flight and landed back in the seat on a flight behind me in another jet! I only move along with the Earth out of stubbornness because it is the easier thing to do.

Put that cig out or I'm going to call Tyrone.

 

[Stryder50]

Or worse.

Curious to know whom that 'brilliant man" might be.
I know I've presented something like this a couple times on other forums in recent years, but was sure I wasn't the first to think of it.

I can go you one even better, which ties in here.

There's this Law of physical science to effect that there is a finite amount of energy and matter in this Universe. A sum total of both and while energy could be changed into matter, or matter into energy, the sum total of both is a constant amount.

So let's say you hope into your time traveling spaceship and want to go back just 10 months into the past. And before you hoped in, you had a hamburger sandwich for lunch.

Ten months ago the wheat that became the bun of your burger was seeds on stalks growing in a field in Nebraska. The meat for the hamburger patty was still flesh of the cow grazing in pasture (or feed lot).

Once back ten months in time ...

Is that wheat still grains on the stalks or in your stomach?
Since matter can't be in two places at the same point in time, that 'wheat' is either 'grain on the stalk' or you have some holes in your stomach ~ GI track.

As for the meat patty, is it still part of the flesh of the still alive cow or in your GI track, or digested already in your blood stream/cells? It can only be one of those two places so does the cow now have some holes in it or do you have holes in you?

We could do a similar mind experiment where the aluminum used in the structure of your 'time&space travel machine', which has now gone back to this time in 1944; was part of the structure of a B-17 bomber and question is; does that B-17 bomber now have holes in it for the aluminum in your device, or does your device have the holes?

If your device has the holes, are they in critical parts that have now made your device inoperative?

"Time travel" might be a fun device for science fiction authors to toy with, but if doing realistic science, then "time travel", the "lever pulling, button pushing" sort, is just plain impossible

Any whom read this slowly and understand it will see that the following is minor paradox to consider. Still, the illusion that time travel to the past exists;

A Student Proved Paradox-Free Time Travel Is Possible​

...

A Student Proved Paradox-Free Time Travel Is Possible

 

[Stryder50]

Being current thread on time travel. For amusement;

We Ranked the 35 Best Time Travel Movies Ever

 

[Quasar44]

I did not think of this but a brilliant man did

The scene when they are being chased by a Muslim terrorist and go back to 1955 ??

Do you see the flaw here ??

The doctor never takes into consideration where the earths path is around the sun ??
So if you just went back to February of 1922 when the date is now July ??
You see the problem ??


You go back in time but you don’t land on earth because earth is in a different location in space and time

So you end up dead in outer space

Now if you picked the exact date then you have to pick the exact time or you end up dead in the ocean due to Earths tilt

Wow ..I has intelligent posts back then