Re: Virtual and Real Images

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

The image of the floating coin is a real image, is it not?

____________________________________________
Robert Cohen; rcohen@po-box.esu.edu; http://www.esu.edu/~bbq
Physics, East Stroudsburg Univ., E. Stroudsburg, PA 18301

> -----Original Message-----
> From: Hugh Haskell [mailto:hhaskell@MINDSPRING.COM]
> Sent: Tuesday, March 19, 2002 11:48 AM
> To: PHYS-L@lists.nau.edu
> Subject: Re: Virtual and Real Images
>
> [snip]
>
> The difficulty of distinguishing between virtual images and real
> objects is at the heart of any number of illusions used by magicians
> (Pepper's Ghost being one of the favorites, dating from the late
> 1800s, IIRC), among them the "floating coin" illusion, which can be
> obtained from several science supply houses. I think Arbor Scientific
> is one.