Slashdot Mirror
LED's Efficiency Exceeds 100%
New submitter Paul Fernhout writes "Physicists from MIT claim to have demonstrated that an LED can emit more optical power than the electrical power it consumes. Researchers suggest this LED acts like a heat pump somehow (abstract). Is it true that 230% efficient LEDs seem to violate first law of thermodynamics?"
They must have used the wrong cable, causing the light to go faster than C and mess with their readings.
"In this house we obey the laws of thermodynamics!"
My sci-fi novel, Ghost Thief, is now available from Amazon.com.
Definitely GPS timing error.
Never say never. Ah!! I did it again!
HOLY SHIT ITS A ZPM!!!!
Global warming to the rescue!
To offset political mods, replace Flamebait with Insightful.
It's a good example. The hub of a wagon wheel will be warm to the touch. That heat comes from the motion of the wheel. A sympathist can make the energy go the other way, from heat into motion. I pointed to the lamp. Or from heat into light.
There was an art to choosing your projects in the Fishery. It didn't matter if you made the brightest sympathy lamp or the most efficient heat-funnel in the history of Artificing. Until someone bought it, you wouldn't make a bent penny of commission.
as most people think Light Emitting Diode when they hear LED.
But in this experiment they are referring to a Large Entropic Dilemma.
So the results make perfect sense.
intellectual property law is philosophically incoherent. it is your moral duty to ignore it or sabotage it
Welcome to slashdot, "enjoy" your stay.
For large sets, this will be our guide even unto death, for the LORD will work for each type of data it is applied to...
You must be new here...
-Arthur
Cave ne ante ullas catapultas ambules
Read the article? Heck, I didn't finish the headline. As soon as I realized it didn't mention iPads I went straight to the comments to argue we should instead discuss iPads.
Why don't we have iPad 4 speculation yet?
1. I for one welcome our new iPad 4 overlords and their app that allows you to put hot grits on Natalie Portman and disguise it in a bad car analogy.
2. Ask if it runs Linux, and then cite another failed year of Linux on the desktop.
3. ???
4. Profit.
What were we talking about again?
http://blindscribblings.com - Tasty pop-culture in conceptual fashion.
The fun trick will be to point this at a 45% efficient photovoltaic panel to generate the electricity.
"Who is the Journal of Quantum Physics going to believe?" --Stephen Hawking
In theory.
I'm out of my mind right now, but feel free to leave a message.....
It's tapping into the grid! Awsome!
Now someone go hook that LED up to a 50% efficient enclosing PV panel.
Yeah, but man, a it's a completely solid state heat pump that dumps waste heat as usable light - now that's something. Just imagine: every server, instead of needing cooling, can have this stuck to the heatsink and mounted on a tall pole. No more datacenter, we'll have datapoles, and our streets will be full of them :)
You're not thinking like an evil genius. You've got a 10MW data center. You have a way to convert the heat load into light. And now you want to distribute it all over and make street lights out of it?
Whatever. I want my huge frackin' laser.
So, you're saying that future computers, if we don't want to spring for fans or liquid cooling, will have to be lit up like a modder's case?
I guess that's great if you like your server rooms to also double as sweet rave parties.
run it through the faster than light cables too
... that adding LEDs to stuff made it cooler.
Collector's Edition
How the hell are you supposed to sleep in a server room like that?
If I controlled all the energy, I would have all the power!
The Kruger Dunning explains most post on
Monster Cable TOSLink?
It sounds like it violates the 2nd and 3rd laws of thermodynamics if not the first.
The first law of thermodynamic is...you do not talk about thermodynamics :)
Does that mean that in future the lights will stay on when you close the fridge door? That destroys everything I thought I knew!
With power comes responsibility. So it's your fault that my wife won't let me replace the living room furniture with that awesome bean bag & lava lamp setup from KMart! Oh, wait. He said "would have all the power. . ." Dammit.
Did they check to see if their time servers are synced properly? Maybe the power is time-travelling from a previous test.
Who would win this election: Andrew Weiner vs Andrew Weiner's weiner.
OK, let me get my 50% efficient PV panel. Just a minute, I left it over by my unicorn.
"That's a bright idea, he said coldly."
Also, heat-activated lighting. Also, if you can suck heat from the environment to make light, and then pump the light to solar cells to make electricity, you have a heat-to-electric converter.
Maxwell's demon must be rolling over in his randomly displaced bed right about now.
I've fallen off your lawn, and I can't get up.