Your Questions About Solar System

Charles asks…

How to make a model of the solar system rotate?

I need to make a model of the solar system, and I want to make it move. Any type of (inexpensive!!) motor or something that I could use to make it move, without it going too slow or too fast? Or possibly a manual type rotation? I also don’t want it to be too complicated, and it has to be able to move somewhat by itself after the initial force. Help please?
@ Sir caustic, it would not continue moving after my initial force.

Administrator answers:

Seriously..
Go to the nearest thrift store and see if you can pick up an old record player for $10.
The needle can be shot, no need for speakers… Just a nice smooth rotating motor and a table to put your “solar system” on.

Failing that, you could check the toy section of the same store and see if they have either an old “capsella” set, or maybe motorized lego / tinker-toys / erector-set…

Michaels.com has clock motors and foam balls, but my guess is you don;t want to do linkages…

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Your Questions About Environmentally Friendly Houses

Joseph asks…

What types of materials can I use for an environmentally friendly house?

What are good environmentally friendly materials to use for building an environmentally friendly house and what materials are a no no?

Administrator answers:

Brick, wood, glass, fiberglass, etc. Many things in new homes are either made with recycled material or can be recycled or from sustainable forests.

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How solar cells work

Solar Contactless Charging Table Panasonic

Solar Contactless Charging Table Panasonic

You’ve probably seen calculators with solar cells — devices that never need batteries and in some cases, don’t even have an off button. As long as there’s enough light, they seem to work forever. You may also have seen larger solar panels, perhaps on emergency road signs, call boxes, buoys and even in parking lots to power the lights.

Although these larger panels aren’t as common as solar-powered calculators, they’re out there and not that hard to spot if you know where to look. In fact, photovoltaics — which were once used almost exclusively in space, powering satellites’ electrical systems as far back as 1958 — are being used more and more in less exotic ways. The technology continues to pop up in new devices all the time, from sunglasses to electric vehicle charging stations.

The hope for a “solar revolution” has been floating around for decades — the idea that one day we’ll all use free electricity fro m the sun. This is a seductive promise, because on a bright, sunny day, the sun’s rays give off approximately 1,000 watts of energy per square meter of the planet’s surface. If we could collect all of that energy, we could easily power our homes and offices for free.

In this article , we will examine solar cells to learn how they convert the sun’s energy directly into electricity. In the process, you will learn why we’re getting closer to using the sun’s energy on a daily basis, and why we still have more research to do before the process becomes cost-effective.

In this article , we will examine solar cells to learn how they convert the sun’s energy directly into electricity. In the process, you will learn why we’re getting closer to using the sun’s energy on a daily basis, and why we still have more research to do before the process becomes cost-effective.

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