Re: Speed limit at C a misconception?

Timo Nieminen <timo@xxxxxxxxxxxxxxxxx> wrote in
Pine.LNX.4.50.0508230913470.3980-100000@localhost:">news:Pine.LNX.4.50.0508230913470.3980-100000@localhost:

> On Mon, 22 Aug 2005, Skywise wrote:
>
>> I fear I'm not expressing my thoughts clearly. It seems to me
>> that all the things expressed so far that can go faster than
>> light are not material objects.
>>
>> What I'm getting at are tangible items like spaceships, baseballs,
>> protons, etc... Can they go faster than c or not?
>
> Not that we've ever seen. Theoretically, if it begins at a speed less
> than c, then you can't accelerate to c or higher. Practice supports
> this, too.
>
> More speculatively, something could begin with a speed > c, in which
> case you can't slow it down to c or slower. Google for "tachyon", and
> you'll get some dirt on them. The only problem is that nobody has ever
> found any.
>

Yes. I am aware of the theoretical tachyon.

My understanding of the phrase "nothing can go faster than light"
applies to material objects, ie spaceships, baseballs, and protons.

If that is correct, then the phrase "nothing can go faster than light
is a popular misconception" is false.

Right?

(I'm starting to feel like I'm in a causality loop)

Brian
--
http://www.skywise711.com - Lasers, Seismology, Astronomy, Skepticism

Seismic FAQ: http://www.skywise711.com/SeismicFAQ/SeismicFAQ.html

Sed quis custodiet ipsos Custodes?
.

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