Monday, October 31, 2011

Solar Furnace

!±8± Solar Furnace

Brand : American Educational Products | Rate : | Price :
Post Date : Oct 31, 2011 23:18:05 | Usually ships in 1-3 weeks


This 12" diameter, parabolic dish lets you safely and easily demonstrate the extraordinary power of the sun by concentrating solar energy. -- -- Using its reflective mirror, the furnace can generate extreme temperatures to heat materials placed in the attached copper receptacle. -- More on Solar Power -- We've used the Sun for drying clothes and food for thousands of years, but only recently have we been able to use it for generating power. -- The Sun is 150 million kilometers away, and amazingly powerful. The Solar Furnace is a great way to show this awesome power. -- Just the tiny fraction of the Sun's energy that hits the Earth (around a hundredth of a millionth of a percent) is enough to meet all our power needs many times over. -- In fact, every minute, enough energy arrives at the Earth to meet our demands for a whole year - if only we could harness it properly. -- Advantages -- **Solar energy is free - it needs no fuel and produces no waste or pollution. -- **In sunny countries, solar power can be used where there is no easy way to get electricity to a remote place. -- **Handy for low-power uses such as solar powered garden lights and battery chargers. -- Disadvantages -- -- **Doesn't work at night. -- **Very expensive to build solar power stations. Solar cells still cost a great deal compared to the amount of electricity they'll produce in their lifetime. -- **Can be unreliable unless you're in a very sunny climate. In the US, solar power isn't much use except for low-power applications, as you need a very large area of solar panels to get a decent amount of power. However, for these applications it's definitely worthwhile. -- Excellent for grades 3-12

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Friday, October 14, 2011

Soleil Parabolic Halogen Heater (LH918)

!±8±Soleil Parabolic Halogen Heater (LH918)

Brand : SOLEIL
Rate :
Price :
Post Date : Oct 14, 2011 09:13:02
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Dual settings 400 or 800 watts Oscillating Adjustable tilting head Safety tipover switch Produces silent efficient heat White

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Friday, October 7, 2011

Soleil Parabolic Halogen Heater

!±8± Soleil Parabolic Halogen Heater


Rate : | Price : | Post Date : Oct 07, 2011 23:15:49
Usually ships in 4-5 business days

"SOLEIL" PARABOLIC HALOGENHEATER*Dual settings 400 or 800watts*Oscillating*Adjustable tilting head*Safety tipover switch*Produces silent efficientheat*Replaces Ace no. 6107080*White*Boxed

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