Hi All,

There have been some excellent comments made. You "can" travel "faster than the speed of light" as determined from your "rest frame" within a rocket as commented on previously by graham.d and yor_on and others learned people here. The problem is

time dilation... On the one hand relativity "gives" by allowing a spaceship to travel any distance it want within any predetermined finite amount of time provided we have some way of protecting the travelers from radiation and acceleration and an also an unlimited source of propulsive energy. Unfortunately time dilation also means that the travelers are "projected" along a near null geodesic into the distant future as reckoned by an external observer from earth. This reconciles the fact that observers viewing this phenomenon from the rest frame of our galaxy or our solar system see this traveler moving near the speed of light (effectively indistinguishable from a beam of light). From this external observer point of view the travelers proper time is progressing very slowly to the point that it is almost "entirely arrested". At the same time it has "relatively" undergone nearly infinite length contraction which "appears" like a rotation of nearly 90 degrees away from the axis of travel placing the traveler and his spaceship very close to the lightcone wall as a "nearly flat object".

This can be put another way... time always "seems" to progress normally to the traveler as he views it from within his spaceship though peering outside he sees the complementary effect in the universe around him. the surrounding universe (which appears to him to be the object in motion) has compressed into the forward direction as a flat object and rotated almost 90 degrees on to the lightcone wall. The problem is "inertia". Acceleration produces dilation of local clocks relative to "homebound" clocks. The accelerated clocks "run slow" relative to unaccelerated clocks.

The "problem" seems hopeless since any hope of traveling faster than the actual velocity of light depends on moving

through the exact velocity of light. That is a point at which

all temporal processes as observed by external observers

cease entirely and the spaceship and it's occupants move

exactly like light. Forget the "mass" becoming infinite... there are "other interpretations"... see Lev B. Okun's papers on the matter (.. such as newbielink:http://www.physics.princeton.edu/~mcdonald/examples/mechanics/okun_ajp_77_430_09.pdf

[nonactive] - 03 Dec 2008)... just one amongst many papers.

Unfortunately how is any object going to accelerate through that "node".... at the speed of light (as reckoned by any external observer) since it requires some temporal acceleration from within that frame... that will not occur? Energy exchange is required for acceleration and that is not about to happen from within that system in which time "appears arrested".

So another way must be found... you cannot move "through" the velocity of light but "around it" in some way. The way to do this is to do what Dr. Who does... invent a TARDIS (Time And Relative Dimension In Space)... Accelerate through space and time together maintaining some control over both. You can do this by "first"

nulling the mass of the spaceship. This is what is holding the spaceship back and limiting the amount of acceleration (it also provides you with achievable sources of energy to accelerate your spaceship and also solves that difficult problem of "time dilation" which is "pushing" you rapidly into the future). The next thing is to accelerate in a controlled way ... and any force will cause an infinite acceleration on a zero mass but be sure to adjust the passage of time appropriately otherwise you will end up on the wall of the lightcone (as before) and be eternally "stuck" there. You can do this trick using certain quantum techniques which undoes the quantum exchanges occurring due to the natural passage of time.

Some additional reading material...

newbielink:http://en.wikipedia.org/wiki/Quantum_Zeno_effect

[nonactive] newbielink:http://en.wikipedia.org/wiki/Delayed_choice_quantum_eraser

[nonactive] newbielink:http://arxiv.org/abs/0802.0438v3

[nonactive] newbielink:http://arxiv.org/PS_cache/arxiv/pdf/0708/0708.0365v1.pdf

[nonactive] newbielink:http://arxiv.org/PS_cache/arxiv/pdf/0806/0806.3547v1.pdf

[nonactive] newbielink:http://www.physorg.com/news157375449.html

[nonactive]Next trick after reading and absorbing all this is you then need to research this thoroughly and build the TARDIS. Next point is to drop by and pick me up so we can both go for a "spin around the universe". [

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