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Originally posted by syrinx high priest
speed of light travel for something larger than a photon ?
how does a body which is basically a bag of water survive the g-forces ?
never gonna happen
Originally posted by Arrowmancer
2. The idea that we can't go past the speed of light baffles me. It's mostly the misunderstood and misquoted theory of general relativity. "An object of mass cannot be accelerated to the speed of light..." An independent observer holding a two flashlights pointed in opposite directions has achieved twice the speed of light. Speed of light to him, but the light beams, in relation to each other is twice the speed of light. Rubbish as understood by many. Throw in an understanding of mass and ability to manipulate how mass interacts with propulsion will take us to far away stars in moments, instead of lifetimes.
Originally posted by yourmaker
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Originally posted by syrinx high priest
speed of light travel for something larger than a photon ?
how does a body which is basically a bag of water survive the g-forces ?
never gonna happen
we wouldn't travel as our human selves I think at that point. we will render our bodies obsolete.
the invention of a device that can contain the mind, or disintegrate the bodies' particles to 'download' so to speak.
Originally posted by projectvxn
reply to post by bojimbo
The universe, in my opinion and observation, is little more than high quality packets of data. Everything about how the universe behaves screams "virtual". So to me it would stand to reason that by understanding the fundamentals behind "mass" (or how bits are grouped together in our binary universe), we could discover the key to using quantum entanglement to transmit a human across the universe.
Originally posted by moebius
reply to post by fenceSitter
You don't even need Einstein for this. Speed of light(em wave) is determined by the magnetic and electric constant of the space it is passing through. The maximum known is c0, speed of light in vacuum. Relative motion doesn't matter, just as it doesn't matter for sound waves for example.
Now what would happen if matter would be accelerated towards speed of light(ignoring Einstein here). Matter is composed of atoms. The interactions between atoms the nuclei and electrons are electromagnetic, thus also will have an upper limit of c0.
For waves that propagate in a medium, such as sound waves, the velocity of the observer and of the source are relative to the medium in which the waves are transmitted. The total Doppler effect may therefore result from motion of the source, motion of the observer, or motion of the medium. Each of these effects are analyzed separately. For waves which do not require a medium, such as light or gravity in general relativity, only the relative difference in velocity between the observer and the source needs to be considered.
But the right solar sail can take you much, much farther. In order to achieve interstellar travel, Matloff stresses that less mass and more of a solar push are key. That means deploying an ultralight solar sail really close to the sun.
"You'd have to position the craft as close to the sun as you can, probably within the orbit of Mercury," Matloff says. "And in a case like that, it would reach maybe 200 astronomical units (200 times the distance between Earth and the sun) in something like 10 or 15 years."
Of course, that also means the craft would require 7,000 years to reach the nearest star -- but that's if the sails depended on current technology. Matloff believes a 50-nanometer beryllium sail, built in space, could potentially make an interstellar voyage in as little as 2,000 years. Go lighter than that, via perforated sails or lighter metamaterials, and potential speeds increase.
"There are materials coming online like carbon nanotubes and graphenes, and these may allow you to cut the mass of the sail even more," Matloff says. "So, I think we'll be able to do to a lot better than 2,000 years to the nearest star. Will we get below 1,000 years? Maybe. Will we get down to a couple hundred? Well then I have my doubts, but that’s my own personal feeling."
Originally posted by jonnywhite
This is all way beyond me. Even Einstein's stuff is way beyond me.
Kudos to people who think they understand any of hti.
Technically the wave equations are different (Wikipedia - Doppler effect).
I don't think mass is relative to the observer. If matter is accelerated to close to the speed of light, the mass increases for it's own frame of reference as well as the observer.
I think you misunderstood me. I didn't mean that the standard model claims that there is no gravity, just that the model doesn't account for it (oblivious). Thus discussing relativistic and gravitational effects on subatomic stuff is completely over my head.
I don't think gravity is understood nearly well enough to say "sub-nucleus stuff is completely oblivious of gravity".
When getting very close to c, the energy difference between two particles going at almost the same speed can be very large. A famous example of a very high-energy particle detected on Earth is the so-called “Oh-My-God particle”, probably a proton detected at a speed close to 0.9999999999999999999999951 c:
Early experiments showed that untrained humans were able to tolerate 17 g eyeballs-in (compared to 12 g eyeballs-out) for several minutes without loss of consciousness or apparent long-term harm.[
Paracoccus denitrificans being subject to conditions of extreme gravity. The bacteria were cultivated while being rotated in an ultracentrifuge at high speeds corresponding to 403,627 g