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ARE SOLAR AND WIND ENERGY SYSTEMS SUITABLE ONLY WHEN THE SUN IS SHINING AND THE WIND BLOWING?
Feb 1st
Question by Ace:
Are solar and wind energy systems suitable only when the sun is shining and the wind blowing?
Also please refer me to any professional journals and popular literature sources that can help with this question?
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ARE SOLAR AND WIND ENERGY SYSTEMS SUITABLE ONLY WHEN THE SUN IS SHINING AND THE WIND BLOWING?
Jan 27th
Question by Austin M:
Are solar and wind energy systems suitable only when the sun is shining and the wind blowing?
Also please refer me to any professional journals and popular literature sources that can help with this question?
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HOW MUCH WILL I SAVE ON MY ELECTRICITY BILLS, IF I TYPE ONLY WITH LOWERCASE LETTERS?
Jan 3rd
Question by :
How much will I save on my electricity bills, if I type only with lowercase letters?
My preacher told me bills will be much lower
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SHOULD WE TAKE ONLY COLD SHOWERS TO SAVE ENERGY?
Nov 25th
Question by wolf:
Should we take only cold showers to save energy?
This way we will save also much water, because if it’s cold we do it very quickly.
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DOES THE USE OF EXTENSION CORDS SAVE MONEY? I ONLY USE MAINLY TWO SOCKETS BUT THE ELECTRICITY BILL IS STILL UP?
Nov 16th
Question by FF:
Does the use of extension cords save money? I only use mainly two sockets but the electricity bill is still up?
I do everything needed. Unplug appliances, turn off the lights, use extension cords for everything, use efficient light bulbs. But my electricity bill is still high. And I really need to save. Help.
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HOME AC. CAN I SAVE ELECTRICITY IF I CLOSE THE VENT IN THE LIVING ROOM AND OPEN ONLY THE VENT IN THE BEDROOM
Jan 1st
Question by yogurt:
Home AC. Can I save electricity if I close the vent in the living room and open only the vent in the bedroom
Auto on feature does not work properly when I shut the vent in the living room. AC run continuously.
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WHY DO WIND TURBINES THAT GENERATE ELECTRICITY HAVE ONLY THREE GIANT BLADES.?
Sep 25th
Question by danchevz:
Why do wind turbines that generate electricity have only three giant blades.?
I can only guess that wind turbines used to generate electricity have only 3 blades because it is the most efficient design.
If this is the most efficient design, then why do home fans have more blades. Why are they not made with 3 blades?
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HOW MANY WATTS DOES MY SOLAR PANEL NEED TO BE IF I AM RUNNING LIGHTS ONLY AT NIGHT?
Aug 30th
Question by Carrie:
How many watts does my solar panel need to be if I am running lights only at night?
I want to use 12vDc rope lighting that is 3 watts per foot and i am looking to use approx 64 ft of light. I am probably only going to have the lights on for 3-4 hours at night. I will be running the lights off a 12 volt automobile battery. What wattage will my solar panel need to be to recharge the battery during the day. I would appreciate any help, Thank You! I am also looking at led lighting that is only 0.8 watt per foot.
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COLOR CHANGING LED BULB (BULB ONLY)
Aug 25th
Color Changing LED Bulb (BULB ONLY)
- Bulb Shape: PAR30
- Base Type: E27 standard screw-in base
- Brightness: 130 lumens
- Energy Consumption: 5 watts
- Comparable to a: 15 watt incandescent bulb
Drop your Color Changing LED bulb in the birthday cake? Not a problem. We we offer the LED Color Changing bulb separately from the remote at a discounted rate.
* 15 colors with 1 second flash, 3 second strobe, fast fade, smooth fade and dimmer
* RGB 5 watt color LED
* It produces 130 lumen’s of light.
* Operates in standard light sockets worldwide (from 100 – 240 volts AC).
* Contains NO mercury like compact fluorescent lights.
* Precision mac
Rating: 
(out of 2 reviews)
List Price: $ 45.98
Price: $ 26.99
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ENERGY-SAVING FLUORESCENT LIGHT BULBS – DO THEY USE LESS ENERGY IF SWITCHED ON FOR ONLY A MINUTE?
Jul 12th
Question by keni:
Energy-saving fluorescent light bulbs – do they use less energy if switched on for only a minute?
I heard that they use a kick of energy when you first switch them on, then use a lot less while they stay on. Is the initial amount more than, state a normal 60w bulb? If so, what is the length of time where the two use the same amount of energy? This is not an exam question – I just want to know if it is worth using energy-saving bulbs where they are used frequently for short periods of time – cupboards, bathrooms etc.
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