ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Ted

Before we built a jumping disk over 10 years ago, I had only seen
jumping rings. Would be interested to know where others are.

Glen Moore
Science Centre and planetarium
Wollongong, Australia

Ted Ansbacher wrote:
>
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> If anyone has a Magnetic Jumping Disk exhibit and is willing to share his/her
> wisdom on construction, operation, and maintenance, please contact me
> offline. Thanks in advance.
> A magnetic jumping disk is, basically, an aluminum or copper disk that sits
> over a coil of wire. When a surge of current passes through the coil, the
> increasing magnetic field induces currents in the disk which in turn produce a
> magnetic field which in turn is repelled by the original field and sends the disk
> flying.
>
> Ted Ansbacher, principal, Science Services, 29 Byron Ave, White Plains, NY
> 10606
> Tel 914-328-5407 • Fax 914-328-5407 • E-mail [log in to unmask]
>
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More information about the Informal Science Education Network and the
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