Re: HOLES AS CARRIERS Negative mass?

[Robert Cohen <Robert.Cohen@PO-BOX.ESU.EDU>]

> -----Original Message-----
> From: John S. Denker [mailto:jsd@MONMOUTH.COM]
> Sent: Wednesday, October 10, 2001 11:06 AM
> To: PHYS-L@lists.nau.edu
> Subject: Re: HOLES AS CARRIERS Negative mass?
>
> [snip]
> Note that
> the bubble in
> Tim's shampoo goes !up! under the influence of gravity, which
> is a sign of
> negative mass.
> [snip]

Is it appropriate to say that the bubble has negative mass?  The
gravitational force on the bubble is still down, no?  I'm missing something
here.

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| Robert Cohen               Department of Physics       |
|                            East Stroudsburg University |
| rcohen@po-box.esu.edu      East Stroudsburg, PA  18301 |
| http://www.esu.edu/~bbq/   (570) 422-3428              |
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