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originally posted by: bbracken677
a reply to: BO XIAN
I stated that categorically, but I hope one day we can violate that law with some new technology. Talk about free energy!
The problem is... every time someone claims to have gotten there it turns out to be fraud. The 2nd law is a beeyatch.
Even with superconductive materials that come soo close to perpetual motion... you still have to eventually introduce energy in some form to keep the process working.
originally posted by: BO XIAN
Would still love a knowledgeable answer to this:
I have what might be a silly question from a layman but I'm curious . . .
COULD one take a copper or aluminum pipe of WHAT IDEAL LENGTH??? . . .
and devise an electric mechanism to turn the pipe upside down at the optimum moment . . .
SUCH THAT
the electric current produced by the falling magnet would be in EXCESS of the electric current needed to turn the pipe upside down at the right moment--endlessly?
originally posted by: bbracken677
a reply to: jjkenobi
In my book, the hydrogen cells technology is pie in the sky. Too much of what you read seems like they are trying to violate the 2nd law of thermo. I got into an argument with a guy here on ATS who swore some company had a working car and it never needed fuel or electricity...the hydrogen cell took care of the generation of energy. A constant loop of cracking water, then burning the hydrogen which in turn produced water as a byproduct which was then cracked...etc etc.
lol I looked into it and the company had closed down AND was under investigation for fraud. Investors were pissed lol.
The problem is: you have heat, you have friction etc etc and with those you have energy loss which has to be made up for. So...at some point you have to introduce new energy to make up for the energy lost in the system. The problem with cracking water is such a situation is that it takes more electricity to crack water than is returned when you burn the hydrogen you get from it. Look at it like you want to add batteries to a car, put a generator in the car to use the cars movement to charge the batteries which power an electrical motor. It is a closed system and you cannot produce enough power to move the vehicle and charge the batteries enough to continue moving the car...