Re: >H FYI:SCIENCE-WEEK July 3, 1997 (fwd)
James Rogers (jamesr@best.com)
Fri, 04 Jul 1997 12:39:48 -0700
At 11:31 AM 7/4/97 +0200, you wrote:
>On Thu, 3 Jul 1997, The Low Golden Willow wrote:
>
>> On Jul 4, 7:40am, Eugene Leitl wrote:
>>
>> } Gamma rays at the density of lead (which are opaque to gamma ;), flying
>> } towards us at about 0.99 c. So somebody is throwing chunks of solid gamma
>> } at only slightly subliminal velocities. As even puny supernovas generate
>>
>> Gamma rays... these would be photons, yes? "Slightly subliminal"? I'm
>> having a problem here.
>
>Subliminal probably refers to velocities slightly below the speed of
>light (subliminal = beneath the threshold, usually used in
>psychology).
I believe the word you are all looking for is "subluminal" as in "less than
light".
"Subluminal velocities" would then appropriately be "less than c".
Apparently a run-away typo.
-James Rogers
jamesr@best.com