Article View: sci.misc
Article #713Re: differences between sound and light waves?
From: Steve Hix
Date: Tue, 09 Feb 1988 01:04
Date: Tue, 09 Feb 1988 01:04
26 lines
1574 bytes
1574 bytes
In article <6917@agate.BERKELEY.EDU>, csm@garnet.berkeley.edu writes: > In article <4110@aw.sei.cmu.edu> firth@bd.sei.cmu.edu.UUCP (Robert Firth) writes: >>In article <413@prlb2.UUCP> ronse@prlb2.UUCP (Christian Ronse) writes: > ... >>(b) We can perceive the pitch of sound accurately, but have very imperfect >> colour perception. For instance, we can't tell many colour "chords" >> from pure monochromatic light. > > Some of us are more adept at naming colours than chords. > >>(e) Finally, of course, we can generate sounds as well as perceive them; we >> can't generate colours. > > Well, I hope you weren't blushing when you wrote that. > > A stick breaking under foot generates a (sonic) shock wave (chaotic behavior > due to parts of the stick moving faster than the speed of sound ?) -- I > don't think there is analogous light behaviour in the everyday world > (aurora borealis?). Cerenkov light? The energetic particles causing the cerenkov glow underwater are initially moving faster than the speed of light in water, aren't they? (Maybe that was just in that old movie I thought I slept through...) seh
Technical Details
Message-ID:
<41379@sun.uucp>Path:
arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!concertina!fiddlerReferences:
<413@prlb2.UUCP> <4110@aw.sei.cmu.edu> <6917@agate.BERKELEY.EDU>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!concertina!fiddler From: fiddler%concertina@Sun.COM (Steve Hix) Newsgroups: sci.misc,sci.physics Subject: Re: differences between sound and light waves? Message-ID: <41379@sun.uucp> Date: 9 Feb 88 01:04:41 GMT References: <413@prlb2.UUCP> <4110@aw.sei.cmu.edu> <6917@agate.BERKELEY.EDU> Sender: news@sun.uucp Lines: 26 Keywords: macroscopic behaviour