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or proof that length contraction doesn't occur.
Published on March 15, 2018 By Iben In Everything Else

We have a space outpost 1 light year from earth that we want

to send a message to in much less than a year.

We have a collection of satellites in large orbit around earth

and a collection of satellites in large orbit around the outpost.

Each satellite will have a large mirror for collecting, focusing and reflecting

our transmissions. Each satellite will travel at 99% the speed of light.

When we transmit our message from earth we will utilize a satellite near earth

and a satellite near the outpost that are traveling toward each other. 

Because the satellites are moving toward each other at almost the speed

of light the distance between the satellites will be contracted (length contraction).

The message will only have a short trip between the satellites. This will allow

a message travel time of much less than a year from earth to the outpost.

We are simply reflecting a message through an alternate reality.

 


Comments (Page 2)
on Aug 26, 2018

I think this is special relativity I think the 36 seconds would be on the ship while the one hour would be at the station. According to special relativity when you are moving faster than the objects around you. It wouldn't be one mile it would only seem like it is one mile.

on Aug 26, 2018


Time dilation, clocks slow down because you're moving faster than the tic toc of the clock. Length contraction occurs because your bow is moving exponentially faster than your stern and your stern needs to catch up as it were. Therefore it contracts.

I think you guys need to read up on 'Doppler Effect' ...

Relativity is all about where the observer is - relative to what is experienced [seen/heard] ...

on Aug 27, 2018

I know the Doppler effect and I understand relativity. The doppler effect is a good example of time dilation. An object moving towards you compresses a signal (higher frequency), shifts it towards the blue side of the spectrum therefore the signal reaches you faster. As it moves away from you the signal is stretched towards the red part of the spectrum (lower frequency) and the time it takes to reach you is longer depending on the distance traveled. Relativity is nothing more than perception. Where and or when you are with respect to your surroundings. 

on Aug 27, 2018

The following dramatization is theoretically possible with future technology,

fast acceleration equipment and an I-G-suit with built in cell phone and fax machine.

I am still using the math in reply #14 above to draw the picture.

You are holding your mental evaluation test results requested by your

personal doctor. You are near a space express station and your doctor

is at another space station one light hour from your location.

You could fax the test results to your doctor and he could read

them and fax you a prescription that you would receive in two hours

and five minutes your time, then you could go to a near by pharmacy for your pills.

But you are in a hurry, so you get on the space express and hand deliver the test

results to your doctor. 36 seconds travel to the station 5 minutes to the doctor

5 minutes for him to read the test results and write the prescription and 10

minutes at the pharmacy on the doctors station. Total under 25 minutes your time.

It happens that you have to work at the station you are now at in five hours.

You can see a movie and eat dinner before you have to clock in.

Enjoy your pill.

on Aug 27, 2018

It's weird. Each successive post you make in this thread makes less sense than the one before it.

on Aug 27, 2018

I read the doppler effect, and then I had to read the Wikipedia on frequency. Ok if I'm moving in a car then the distance would be shorter ahead of me, than behind me which is longer. I don't need a scientists to tell me this. This is a fact assuming the car went past me. A frequency is how many beams goes past me in agiven second. This is how fast, but in the doppler effect works on how far. Wether I shoot a beam a foot or a mile this does not affect how many times I shoot it. My question is how does that affect frequency. This says that if I shoot 100 beams 1 foot, then 100 beams turn into 101 beams if I shoot it 2 feet. If it is saying this then I say no. 

Second contention is that according to relativity which came after the doppler effect. Light speed can only go at oneconstant speed. According to the doppler effect it can go faster, and slower. They used solar Ray's which is light as one example.

on Aug 27, 2018

I think I will leave this for all you professionals that know what you are talking about. 

on Aug 27, 2018

Just to let people know those are questions

on Aug 27, 2018

The Doppler effect is a frequency change caused by your relative motion

with the wave or the thing emitting the wave. It happens with sound and light waves,

the speed of the wave doesn't change.With light there is a wave length change also

and probably with any wave. We are looking at light waves in this post.

Here is an example of the effect with sound.

on Aug 28, 2018

   Lets bring it down to earth a bit. The speed of light is a constant, in a vacuum. So lets define light. Basically its electromagnetic in nature. It travels in waves, doppler effect, longer red going away from you, short sharp blue coming at you. Light can be deflected, it can be bent or curved depending on its local environment. Now take away the vacuum and light exhibits different properties. You can't speed it up but you can slow it down. A single quanta, photon of light, has been 'seen' moving through a medium like gas or whatever was used. This photon was even stopped cold, held in place briefly and photographed by a really fast camera. I saw this demonstration in an article I found on the news a while back. I guess you can still Google it. The point being is that what we perceive as constants albeit irrefutable in some cases like the Planck length and Planck time, smallest length and smallest time that can be measured, are only the results of current knowledge. 

   Currently we can measure the effects gravity has on local environments in space. We've detected gravity waves, ripples in space/time, eerily similar to the waves created by dropping something in water. So what does that prove? That space, like air and water, share similar characteristics. Of the three water is the densest. There is a lot more for an object to push against, friction. In the air not so much but the faster you go in that medium friction becomes a real issue. It gets hot, very hot, hot enough to melt metal. Leave now for space and the environment changes drastically. In space the density is on average one particle per ten cubic meters. That may not sound like a lot but on the scale of the universe that translates to a whole lot! Locally that means nothing, there isn't enough to get in your way. 

   The fastest surface vessel, in this case a Norwegian combat ship, is approximately 70 mph. In the air speeds of mach 7 have been achieved, seven times the speed of sound or 4,900 mph give or take. In space velocity is limited, according to current theory, to the speed of light. In all three mediums you are limited to how fast you can go using conventional means. We can use an ion drive but it takes a very long time, years, to reach an appreciable speed. An ion drive is basically an electric engine. We could use nuclear power but that was scrapped, I think in the early sixties, because of the cost, the risk and the lack of sufficient knowledge to pull it off. It was Project Orion. It might have worked but again, it will take a long time, not as much as an ion drive, but enough to dampen any dreams of getting to even the closest star system in a reasonable amount of time. Next up is a matter/antimatter drive. Sounds good in theory, but making it a reality right now is in the realm of fantasy, almost. There is the Alcubierre drive. A theoretical warp drive proposed some years ago. In theory and on paper it looks good but that's where it stays for the foreseeable future. We've taken our theories of physics to the point where they begin to break down. Like trying to see inside of a black hole, it can't be done because physics doesn't work beyond a certain point. The only way IMO to get past that limit would be first, to generate enough energy to reach light speed and second, multiply that energy to 'go faster' as it were.

   Simply put it takes an enormous amount of power to speed up a single particle close to but not at the speed of light, 99.9 something something something percent. Not accurate but you get the idea. A ton of power to move a particle, imagine what it would take to move a ship in space. I can't even think that high.

*end rambling*  

on Aug 31, 2018

New movie outline based on a theoretical reality:

An unmanned space ship has been tested for very short times

approaching half the speed of light. Now it will be tested

with a human crew and they will push on to higher speeds.

Before the test the captain of the crew bumps into a physicist

at a bar on the east coast of the US who tries to warn him of what

might happen on the test flight.

Next scene: 

The captain and crew are in the ship in space and everything is going

good they are heading back toward the inner solar system and earth.

All the tests went great and they are traveling very near the speed of light.

As they fly by the inner solar system their instrumentation read out

tells them that earth is 900,000 miles from the sun. They observe that the earth

doesn't look normal. The crew decelerates the ship and lands on earth.

They find that there is no atmosphere or water and the earth is dead.

The crew converts their date and time back to earth time on the east coast of the US,

12:00 noon March 15, 3042. They realize they can't go home.

Next scene:

The physicist that tried to warn the captain is standing next to a hotdog stand somewhere

on the east coast of the US. It is a beautiful day. A clock on a nearby building

says 12 noon. He is reading the news on his phone. The date is March 15, 3042.

The head line reads "Mystery, contact lost with new ship".