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Date: | Wed, 23 Mar 2005 06:47:26 +1100 |
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************
Dee
If you build a suismograph, build one that will really work. I suggest
building a long period style which is insensitive to vistors but
sensitive to distant eqrthquakes. I built one for the Science Centre in
Wollongong which records distant earthquakes well even though it sits on
the exhibit floor in an acrylic box. Visitor noise, wind noise on the
building and the effects of large waves on the nearby beach are all
noticeable but they don't mask significant eqarthquakes. Although
Australia is a very 'quiet' continent we record eathquakes from New
Zealand, Indonesia etc. Recently for example many visitors came to look
our the recording of the Tsunami earthquake. From our site this
earthquake was 'off scale'.
Glen
Dee Davison wrote:
>ISEN-ASTC-L is a service of the Association of Science-Technology Centers
>Incorporated, a worldwide network of science museums and related institutions.
>*****************************************************************************
>
>Apologies for the cross-posting
>
>Our Education Service wishes to purchase the following items that we think
>we should be able to 'buy off the shelf'.
>
>We would be very grateful for details of suppliers (with contact names &
>details if possible), preferably within the UK, who could provide the
>following:
>1. Table-top Bernoulli Blower
>2. Plasma Sphere
>3. Orb
>4. Whirlwind
>5. Van de Graff generator
>6. Earthquake table, preferably showing the 3 planes of movement.
>7. Pangaea Puzzle
>8. Mini-seismograph (not a computer-based one like we have in our
>introductory gallery but a representation of the 'real thing'!)
>
>Harry White at Techniquest has already very kindly provided some
>suggestions, including Kent Recorders in London as a potential supplier for
>a mini-seismograph. Does anyone know whether they are still in existence and
>if so, do you have contact details?
>
>Huge thanks
>
>
>Dee Davison
>Education Manager
>Dynamic Earth Enterprises Ltd
>Holyrood Road
>EDINBURGH
>EH8 8AS
>
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>
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