Joined: June 2006
|Quote (Henry J @ June 29 2011,20:45)|
|so they'd probably have to keep the material fluctuating above and below the critical temperature fairly rapidly to generate any useful current. |
That may depend on what it's used for; even if it's too weak to power something, it might be useful as a sensor (in a thermostat, perhaps).
Yes. That. Hardly "Green energy", though, you can do the same thing with garden-variety thermocouple.
"But it's disturbing to think someone actually thinks creationism -- having put it's hand on the hot stove every day for the last 400 years -- will get a different result tomorrow." -- midwifetoad