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madastrophysicist 10-22-2005 08:08 PM

Simple Earthquake Detector
Can anyone give me an idea to build a model which flies :confused: (miniature rocket assisted take-off systems attached to an aeroplane model) or at least any model (like burglar alarm, electric circuits of different very simple electronic gadgets etc.) ]
any model related to physics

Oscar Ramirez Ch. 11-02-2005 06:47 PM


Are you intrested in an earthquake alarm?
Is very easy to build but it will take a lot of words to explain it how.
If you are intrested, reply yes and I'll send you and image of how to build it.


Mad Scientist 11-04-2005 06:37 PM

earthquake alarm
Does it comprise a very elaborate design/setup? I would love to know how to build one!

Oscar Ramirez Ch. 11-05-2005 06:31 AM

Dear Mad Scientist


No, it does not comprise a very elaborate design/setup?

For this model you will need some home materials as aluminum paper, a plastic can, batteries and some construction materials such as wood, nails, electric wires and an alarm.

For the setup you will need mounting tape and a good spot in your house where you can assure there will be no air flow that can turn on the alarm.

It is very easy. I can upload an image and a more detailed description if you would like to.

Best regards


mark120 11-26-2005 09:16 AM

does someone knows?
does someone knows how to build a simple earthquake alarm device?

Mad Scientist 11-27-2005 12:02 AM

Earthquake device
I'll let Oscar answer this one.

minnie30567746 11-27-2005 04:29 PM

That is a good idea, Oscar.

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