Is there any danger of your tube getting steamed up? If so then some of the
optical methods described so far might be problematic.


Joe

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Marco Genovesi
Sent: 19 May 2003 11:12
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [OT] Material that floats in water, yet withstands heat


Anand,  this is a "simple" and cheap not-optical solution.

regards
Marco



----- Original Message -----
From: "Anand Dhuru" <ardhuru@VSNL.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, May 19, 2003 9:15 AM
Subject: Re: [OT] Material that floats in water, yet withstands heat


> > Use no float at all, just water light diffraction. The ray will bend
when
> > there is water, and you can detect that easily.
>
> That sounds vry interesting; could you give some pointers on how that
could
> be done?
>
> Thanks,
>
> Anand
>
> >
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