Can you power a lightbulb with a magnet? – Gibbs Free Energy Calculator Using Cell Potential For Redox


And no. And no…

What’s up, man?

Nothing is happening. You should turn on the TV.

What are you, some kind of… the new Dr. Manhattan?

My name’s John Barrowman. I’m an engineer here at the DOE lab. No real job, but I’m looking for a new challenge.

Is that what you’re doing?

It’s kind of a hobby. I was thinking about this. How does a man make his own magnet.

You mean if he took a magnet, and had a really strong magnetic field at the end of it and rubbed it onto the bulb?


Right. Okay, that sounds very simple… but… no. I don’t have much experience with anything like that.

No, no, no. It doesn’t require very much skill to take a magnet and magnetize it, right?

No. I’ve never used a magnet as a source of magnetic flux like that, I’m afraid.

No, no, not at all.

Okay, so how do you do that?

I use a sort of an ordinary iron wire wrapped around a coil of wire. I’ll put the coil in the furnace, and… let the heat run, and when I get to… get a certain temperature, or… or… when I’m ready for some of the air to get a little more warm. I can get a little bit of ferrous oxide… and that’s just enough to give me enough flux for one or two seconds. The thing I do with that magnet… I don’t know… I don’t know if I should say this. Because somebody is going to ask… and the most important thing I want to tell you is this: The magnet is a very efficient conductor. Anytime you run a current through it, there is a certain voltage at which, and in the presence of this energy at these particular places, I can build an electromagnet. It’s just that simple.

So the thing you’re doing is… there’s no need to spin things around too much.

Right, no.

And this electromagnet doesn’t have to be strong, right?

Well, no… not quite strong. Not quite strong enough. And we don’t have to make it. We just need to change it. And one of the problems is that the

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