Order now at www.stevespanglerscience.com Become an ultraviolet detective with these amazing UV-sensitive beads! It’s solar magic in action! Make bracelets, test the effectiveness of sunscreen, or experiment with color while you learn about the power of sunlight. Included is a science activity guide with lots of fun experiments with solar radiation and light.
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Going green is getting to be quite a popular thing to do these days. Many people are purchasing tankless water heaters with the idea that they are purchasing a “green plumbing product”. But just how green are they?
Well, are they greener than a standard tank type water heater? They are not more efficient at heating water than electric storage water heaters or gas water heaters. However, they do not have a storage tank and therefore do not suffer the standby losses that a tank type heater has.
Water Heater Standby Losses
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It is time
