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[CN] Green Sidewalk Makes Electricity. - Page 7

post #61 of 84
Quote:
Originally Posted by Skoobs View Post
i usually step only in the center of squares anyway, so for me this would be perfect. =)

IMO the govt needs to quit subsidizing corporate energy, which is "necessary" because we "need energy," and start subsidizing small-scale, localized energy production. putting solar panels on your house should be an investment, not an expense (look at Germany) and putting these tiles should be the same. the government needs to subsidize the PEOPLE making electricity, not the big corporations.
No, the government shouldn't be subsidizing anyone.
post #62 of 84
I'm a little skeptical about the durability of this thing.
I've seen some pretty sturdy things broken quickly when put out for public use.
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post #63 of 84
Quote:
Originally Posted by GingerJohn View Post
Does this not mean that walking becomes marginally harder?The energy has to come from somewhere after all. 5mm compression may not sound like much but it adds up as you walk. Damnit, how dare they invent something which costs me a miniscule amount of energy to benefit mankind!

On the other hand it may well reduce the impact force from walking, in a similar way to a running shoe, which will help you to walk further will less foot strain. Means I can finally wear my wooden clogs round town without getting sore feet.

Sounds like a good idea, I am interested to see how this works out in practice.
Even when it was a sarcastic complaint... but do you even know how potential/kinetic energy even works?
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post #64 of 84
I've always wondered about the sheer number of friction and pressure that cars and people moving around generates.

It's all about harvesting this AND solar energy AND wind AND whatever else we can think of.

Free energy everywhere! Screw oil and nuclear sources!
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post #65 of 84
Quote:
Originally Posted by Xeio View Post
No, it doesn't work like that. At best, you're decreasing every car's gas milage in a fairly inefficient way (before we even take into account potential safety concerns of a highway that flexes underneath moving cars, or the additional maintenance these panels would have over regular pavement).

Better off just using the same money to build a power plant to burn gas directly for the cost, and since it would be centralized it would be easier to distribute the power.

This works for pedestrian foot traffic, but it has few other applications, and certainly not roads.
I was thinkin' something like this for a highway, too heavy. I'm just saying highways have thousands of hot/emitting/heavy vehicles barreling through the highway at a typical 70mph. It's full of energy which we could somehow harness.
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post #66 of 84
This is very interesting! I hope this produces results. Already sensed that having nuclear power plants in the back yard is a bad idea.
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post #67 of 84
Quote:
Originally Posted by redsunx View Post
I was thinkin' something like this for a highway, too heavy. I'm just saying highways have thousands of hot/emitting/heavy vehicles barreling through the highway at a typical 70mph. It's full of energy which we could somehow harness.
You still seem to be missing the point though. It IS full of energy, energy that everyone worked very hard to get by burning fuel just to create it. That energy was INTENTIONALLY created because people want their vehicles to move. Creating energy just so you can then try and harvest some of it again is not in any way efficient. It would not be beneficial in any way
    
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post #68 of 84
Quote:
Originally Posted by Impagliazzo View Post
I've always wondered about the sheer number of friction and pressure that cars and people moving around generates.

It's all about harvesting this AND solar energy AND wind AND whatever else we can think of.

Free energy everywhere! Screw oil and nuclear sources!
They wont be going anywhere for a long time.
imo nuclear plants is still a good choice, the only issue is storing the waste And properly maintaining them.
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post #69 of 84
Installation and upkeep would probably cost more than the electricity they would ever make, like solar power until the prices come down it's pointless the system I looked at for my house was 20K and would take 20yrs to pay for itself that is if it never broke or anything.
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post #70 of 84
Quote:
Originally Posted by USFORCES View Post
Installation and upkeep would probably cost more than the electricity they would ever make, like solar power until the prices come down it's pointless the system I looked at for my house was 20K and would take 20yrs to pay for itself that is if it never broke or anything.
Please remember, that you're considering today's energy prices when factoring in how long it will take to pay off. When energy prices rise your ROI, and time to recoup investment will improve.
    
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