Which blade design on a wind turbine would be most effective in spinning? And how many blades? Flat blades? Curved in towards the wind source? Or anything else? Please help, this is for a project im doing for fun, thus it is fairly small scale (the turbine diameter would be around a foot or so).
Biologists have developed an efficient way to genetically modify human embryonic stem cells. Their approach, which uses bacterial artificial chromosomes to swap in defective copies of genes, will make possible the rapid development of stem cell lines that can both serve as models for human...
energy fuels? Lots of research going on into new renewable energy, such as: hydrogen, wind, etc...but is this a 'profitable' area and "really" what they want? How will they create the revenues generated from oil and gas currently? Or when that dwindles, will we see more wars over natural...
my friend is buying his first car and he really like the 97 honda prelude that i found and its automatic, but he want a fuel efficient car, anyone reccommend?
I was looking at the Ford Escape or Jeep Patriot... I need something reliable for driving 40min to school everyday and gas efficient... anything else? NOTHING FOREIGN!!!!
I just got a card for 3 months of live for my xbox 360 and now i just need a way to connect my 360 to the internet without wasting a bunch of money. i don't want to get a wireless adapter because i don't want to spend $100. also i cant use a really long ethernet cable because i cant have that...
...Prayer the Ancients never thought of? I downloaded a document "AMAZING MIND CONTROL SECRET."
I would have put the link if I remembered what it was. I was not looking for it, and came across it by "chance." I wondered exactly what it was, since I had heard of it. TERRY MIZE, a RHEMA Bible...
My informative speech is on energy efficient light bulbs i need another main point besides pros and cons. I am using Pros as main point 1, Cons as mian point two, now i need one more main point. Also, if anyone has any pointers on how to make the introduction catchy or interesting. Thank you.
Admittedly, I don't like strenuous exercise. So I have now found out I should get a bike with gears to make inclines as easy as possible for myself.
What kind of gears should I get on my bike? There are all kinds I'm reading about....9 speed, 24 speed, etc....I'm trying to make my journeys...
We have had nuermous clans and they have all been complete failures except for doubles. we have problems making kills that we should easily make and we just get too mad and frustrated with other members. how do we fix this and if you have anymore tips please tell!
out of plastic, used aluminum? to make most of the engines, made the engines smaller ( 4 - cylinders), and gave most of them multi-speed gear shifters. They also made the speed limit 55 mph. What else can they do?
I am getting my pilots license, and would like to buy an airplane. I really like the Cessna Sky Hawk but new it is well over $200,000, and I can't afford this. I don't want a 20 year old plane, I would like a glass cock pit, 4 seats, some what new or modern. I know I can't get everything that...
Cambridge University researchers have developed a $3 LED-based lightbulb that is 12 times more efficient than regular tungsten light bulbs, three times more than low energy ones. It lights up instantly, lasting for 100,000 hours,
The cheap lightbulb could cost the energy bill in any house by as...
How to make America more energy efficient
If you've got a few free minutes today, you might want to read the "Energy Inefficient" editorial in yesterday's New York Times. While the piece mostly focused on the macro level, I've long believed that at home you don't have to spend big bucks to...