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(Phys Org2)   Physicists develop revolutionary low-power polariton laser, will soon be able to hammer a six inch spike through a board with their penii   (phys.org ) divider line
    More: Cool, Physicists develop, liquid helium, boson, gallium arsenide, new physics, physicists, photons, electronics  
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3438 clicks; posted to Geek » on 21 May 2013 at 8:48 AM (3 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-05-21 08:15:43 AM  
Engineers gotta have their standards.
 
2013-05-21 08:55:34 AM  
i.imgur.com
 
2013-05-21 08:57:51 AM  
Does the chick in the article pick also hammer nails with her penii? Inquiring minds want to know!
 
2013-05-21 09:02:35 AM  
keep hammering at it...
 
2013-05-21 09:05:09 AM  
Nice article - approachable by people with a limited background in science but what the hell is:

The current iteration of the polariton laser requires two to five times less energy than a comparable conventional laser, but could require 100 times less energy in the future.

I'm assuming it translates as 1/2 to 1/5th the energy with the possibility of 1/100th or 1% of the current energy requirements.  But "100 times less" doesnt mean anything...
 
2013-05-21 09:10:41 AM  

Smoking GNU: Does the chick in the article pick also hammer nails with her penii? Inquiring minds want to know!


Tell us how this makes you feel.
 
2013-05-21 09:13:37 AM  
Was it a dream where you see yourself standing in sort of sun-god robes on a pyramid with a thousand naked women screaming and throwing little pickles at you?
 
2013-05-21 09:13:55 AM  

Fizpez: Nice article - approachable by people with a limited background in science but what the hell is:

The current iteration of the polariton laser requires two to five times less energy than a comparable conventional laser, but could require 100 times less energy in the future.

I'm assuming it translates as 1/2 to 1/5th the energy with the possibility of 1/100th or 1% of the current energy requirements.  But "100 times less" doesnt mean anything...


Fractions are scary.
 
2013-05-21 09:18:01 AM  
"The laser consists of an electron reservoir and a hole reservoir.  "

i.imgur.com
 
2013-05-21 09:22:30 AM  
Jiffy Pop!
 
2013-05-21 09:33:41 AM  
That's cool....as long as i dont find any of you naked with a bowl of Jello. I dont care how hot and hungry you are.
 
2013-05-21 09:36:17 AM  
1.bp.blogspot.com

In retrospect, did Whedon just basically rip off Jordan for the character of Willow?
 
2013-05-21 09:42:37 AM  

jayhawk88: [1.bp.blogspot.com image 400x348]

In retrospect, did Whedon just basically rip off Jordan for the character of Willow?


Michelle Meyrink's failure to have a long, successful, and naked career is the darkest stain imaginable on the soul of American cinema.
 
2013-05-21 09:46:39 AM  
It's mid-May. I still want my 5 Mega-Watts.


/Ducking
//As one of the Deans I cannot be seen with you.
///Yes but he saw you.
 
2013-05-21 09:47:04 AM  

Wellon Dowd: jayhawk88: [1.bp.blogspot.com image 400x348]

In retrospect, did Whedon just basically rip off Jordan for the character of Willow?

Michelle Meyrink's failure to have a long, successful, and naked career is the darkest stain imaginable on the soul of American cinema.


agreed.  she really did pop my corn.
 
2013-05-21 09:54:36 AM  

jayhawk88: [1.bp.blogspot.com image 400x348]

In retrospect, did Whedon just basically rip off Jordan for the character of Willow?



No. Willow wasn't nearly as hyper. She occasionally slept. And she was Jewish.
Then there was the whole lesbo thing.
 
2013-05-21 09:56:40 AM  
Oops. Forgot this:

25.media.tumblr.com
 
2013-05-21 10:00:26 AM  
Puh-leese.

I did this in high school.

www.vintage-computer.com
 
2013-05-21 10:12:09 AM  
Penes, subby. Penes.
 
2013-05-21 10:36:20 AM  
it's a moral imperative
 
2013-05-21 10:42:21 AM  
Subby dropped out of school before second grade when they taught everyone how to plural.
 
2013-05-21 10:54:24 AM  

jayhawk88: [1.bp.blogspot.com image 400x348]

In retrospect, did Whedon just basically rip off Jordan for the character of Willow?


Hey! I just put on fresh underwear...
 
2013-05-21 11:08:17 AM  
I was actually pinkie.
 
2013-05-21 11:08:25 AM  

Fizpez: Nice article - approachable by people with a limited background in science but what the hell is:

The current iteration of the polariton laser requires two to five times less energy than a comparable conventional laser, but could require 100 times less energy in the future.

I'm assuming it translates as 1/2 to 1/5th the energy with the possibility of 1/100th or 1% of the current energy requirements.  But "100 times less" doesnt mean anything...


The thing that puzzles me is that semiconductor lasers already commonly get 20% or better efficiency. Are they just talking about being able to scale down the size without losing efficiency, or what? TFA is kind of, forgive me, incoherent...
 
2013-05-21 11:09:21 AM  

jayhawk88: In retrospect, did Whedon just basically rip off Jordan for the character of Willow?


i.imgur.com

RIP Willow

 
2013-05-21 11:22:58 AM  
Just don't reverse its polarity or else you shoot the beam backwards in time, or something.
 
2013-05-21 11:42:19 AM  
Begun the light saber wars have!
 
2013-05-21 11:42:21 AM  

Jareth Cutestory: Penes, subby. Penes.


This.
 
2013-05-21 11:46:06 AM  
"Inversionless ultralow threshold coherent emission, or polariton lasing, can be obtained by spontaneous radiative recombination from a degenerate polariton condensate with nonresonant excitation. Such excitation has, hitherto, been provided by an optical source. Coherent emission from a GaAs-based quantum well microcavity diode with electrical injection is observed here. This is achieved by a combination of modulation doping of the wells, to invoke polariton-electron scattering, and an applied magnetic field in the Faraday geometry to enhance the exciton-polariton saturation density. These measures help to overcome the relaxation bottleneck and to form a macroscopic and degenerate condensate as evidenced by angle-resolved luminescence, light-current characteristics, spatial coherence, and output polarization. The experiments were performed at 30 K with an applied field of 7 T."

© 2013 American Physical Society
 
2013-05-21 11:54:36 AM  

daelisx: "Inversionless ultralow threshold coherent emission, or polariton lasing, can be obtained by spontaneous radiative recombination from a degenerate polariton condensate with nonresonant excitation. Such excitation has, hitherto, been provided by an optical source. Coherent emission from a GaAs-based quantum well microcavity diode with electrical injection is observed here. This is achieved by a combination of modulation doping of the wells, to invoke polariton-electron scattering, and an applied magnetic field in the Faraday geometry to enhance the exciton-polariton saturation density. These measures help to overcome the relaxation bottleneck and to form a macroscopic and degenerate condensate as evidenced by angle-resolved luminescence, light-current characteristics, spatial coherence, and output polarization. The experiments were performed at 30 K with an applied field of 7 T."


Now, imagine Michelle Meyrink reading this.
 
2013-05-21 11:56:43 AM  
Because. If I put it anywhere else, it chafes.
 
2013-05-21 12:22:08 PM  

Jareth Cutestory: Penes, subby. Penes.



I don't even know any Latin, but it still annoys me when people form goofy plurals by putting "-ii" at the end of random words.
 
2013-05-21 12:55:19 PM  

daelisx: "Inversionless ultralow threshold coherent emission, or polariton lasing, can be obtained by spontaneous radiative recombination from a degenerate polariton condensate with nonresonant excitation. Such excitation has, hitherto, been provided by an optical source. Coherent emission from a GaAs-based quantum well microcavity diode with electrical injection is observed here. This is achieved by a combination of modulation doping of the wells, to invoke polariton-electron scattering, and an applied magnetic field in the Faraday geometry to enhance the exciton-polariton saturation density. These measures help to overcome the relaxation bottleneck and to form a macroscopic and degenerate condensate as evidenced by angle-resolved luminescence, light-current characteristics, spatial coherence, and output polarization. The experiments were performed at 30 K with an applied field of 7 T."

© 2013 American Physical Society


You know what, I can actually sort of follow some of that.  It is certainly infromation-dense, to a degree it is not effective communication unless working with an in-field peer, but if I am not mistaken, this is, in fact, not complete and utter gibberish.
 
2013-05-21 01:16:49 PM  

jfarkinB: daelisx: "Inversionless ultralow threshold coherent emission, or polariton lasing, can be obtained by spontaneous radiative recombination from a degenerate polariton condensate with nonresonant excitation. Such excitation has, hitherto, been provided by an optical source. Coherent emission from a GaAs-based quantum well microcavity diode with electrical injection is observed here. This is achieved by a combination of modulation doping of the wells, to invoke polariton-electron scattering, and an applied magnetic field in the Faraday geometry to enhance the exciton-polariton saturation density. These measures help to overcome the relaxation bottleneck and to form a macroscopic and degenerate condensate as evidenced by angle-resolved luminescence, light-current characteristics, spatial coherence, and output polarization. The experiments were performed at 30 K with an applied field of 7 T."

Now, imagine Michelle Meyrink reading this.


i3.kym-cdn.com
 
2013-05-21 01:37:22 PM  
So, when can I have my handheld 100W laser? My 1W 445nm just isn't lighting candles and killing spiders fast enough anymore...
 
2013-05-21 01:52:49 PM  
files.qrz.com

RIP REDDY KILOWATT
 
2013-05-21 01:53:03 PM  

jayhawk88: In retrospect, did Whedon just basically rip off Jordan for the character of Willow?


Are you actually being serious?  Because they're not even close to similar.  Or am I the victim of a "that's the joke" joke?
 
2013-05-21 01:54:21 PM  

Fizpez: I'm assuming it translates as 1/2 to 1/5th the energy with the possibility of 1/100th or 1% of the current energy requirements. But "100 times less" doesnt mean anything...


Pff, it's quantum microcavity laser; and quantum field theory allows for negative energy densities. Duh.

/or, you know, fractions.
 
2013-05-21 01:58:17 PM  

Quantum Apostrophe: jayhawk88: [1.bp.blogspot.com image 400x348]

In retrospect, did Whedon just basically rip off Jordan for the character of Willow?

Hey! I just put on fresh underwear...


Did you remember to put license plates in your underwear?
 
2013-05-21 02:11:20 PM  

ChubbyTiger: Jareth Cutestory: Penes, subby. Penes.

This.


I know that is the correct plural yet every time it makes me think of
riverwalkjazz.stanford.edu

phaseolus: Jareth Cutestory: Penes, subby. Penes.


I don't even know any Latin, but it still annoys me when people form goofy plurals by putting "-ii" at the end of random words.


I insist to all who will listen* that the one true and correct plural of octopus is octopodes. Because the word is Greek, not Latin. This also leads to groups of animals such as hippopotomodes and walrodes, as well as classic sitcom On The Bodes.


*In other words, no one.
 
2013-05-21 02:20:38 PM  
From what movie or show is that "hammer a 6 in. Spike through a board" line?
 
2013-05-21 02:24:01 PM  

MBA Whore: From what movie or show is that "hammer a 6 in. Spike through a board" line?


real genius

/Immortal words of Socrates: "I drank what?"
 
2013-05-21 02:30:23 PM  

my_cats_breath_smells_like_cat_food: daelisx: "Inversionless ultralow threshold coherent emission, or polariton lasing, can be obtained by spontaneous radiative recombination from a degenerate polariton condensate with nonresonant excitation. Such excitation has, hitherto, been provided by an optical source. Coherent emission from a GaAs-based quantum well microcavity diode with electrical injection is observed here. This is achieved by a combination of modulation doping of the wells, to invoke polariton-electron scattering, and an applied magnetic field in the Faraday geometry to enhance the exciton-polariton saturation density. These measures help to overcome the relaxation bottleneck and to form a macroscopic and degenerate condensate as evidenced by angle-resolved luminescence, light-current characteristics, spatial coherence, and output polarization. The experiments were performed at 30 K with an applied field of 7 T."

© 2013 American Physical Society

You know what, I can actually sort of follow some of that.  It is certainly infromation-dense, to a degree it is not effective communication unless working with an in-field peer, but if I am not mistaken, this is, in fact, not complete and utter gibberish.


As an engineer it makes sense to me, unlike most of the deep quantum gobbledygook from modern physics.
 
2013-05-21 02:30:43 PM  

Vlad_the_Inaner: MBA Whore: From what movie or show is that "hammer a 6 in. Spike through a board" line?

real genius

/Immortal words of Socrates: "I drank what?"


Val Kilmer, somewhere between Top Secret! and Top Gun. Featuring one of the best 80s movie comedy bad guys, William Atherton ("Dickless" in Ghostbusters, slimebag reporter in Die Hard, etc), and practically nobody else you'll ever recognize.
 
2013-05-21 02:35:18 PM  

nytmare: Subby dropped out of school before second grade when they taught everyone how to plural.


Do you just not get jokes or something?
 
2013-05-21 04:13:12 PM  

acefox1: It's mid-May. I still want my 5 Mega-Watts.


/Ducking
//As one of the Deans I cannot be seen with you.
///Yes but he saw you.


You're laborers; you're supposed to be laboring! That's what you get for not having an education....
 
2013-05-21 04:27:57 PM  
Whose dog is that? Get out of her. Go on!

What's that smell? Popcorn? I hate popcorn. Get it out of here.

/Now you know what to get me for my birthday.
 
2013-05-21 05:17:09 PM  

phaseolus: Jareth Cutestory: Penes, subby. Penes.


I don't even know any Latin, but it still annoys me when people form goofy plurals by putting "-ii" at the end of random words.


Well, it would be "Penii" if it was 2nd declension, which most of the Latin masculine nouns are, but it would also be spelled "Penus" and not "Penis."  However, it's 3rd declension masculine plural, which makes it "Penes."
 
2013-05-21 06:11:31 PM  
www.stanford.edu

Mmmmmm.  Cute and way smarter then me.   Mmmmmm.
 
2013-05-21 06:54:27 PM  
This should be the final nail in the coffin for plasma cutters.
 
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