Www.theguardian.com Science 2014 Oct 07 Lightbulb-moment

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ightbulb moment for (obelphysicists) pri*e awarded forinventing blue EDsOne laureate paid just $200 for invention thatallows energy-efficient lighting and could savequarter of worlds electricity

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Ian Sample" science editor

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,he -uardian" ,uesday # .ctober /01$ 12312 4,

Jump to comments 5267

hu8i (akamura with a blue laser" one application of his co9invention3

:is work was valued at ;600m in /001 < he was offered ;/003 =hoto)

Randall amb>?C4>E=%

scientist whose project was dee(ed so hopeless that

he had to pursue it in his spare ti(e has won the 20%)o*el pri+e in physicsfor an invention that paved the

way for widespread energy-efficient lighting,

"huji )aa(ura. /0. at the niversity of 1alifornia.

"anta ar*ara. shares the coveted pri+e 3 and !(

"wedish ronor 45/60.0007 3 with 8sa(u asaiand

9iroshi (anoof :apan for ;the invention of efficient

*lue light-e(itting diodes which has ena*led *right and

energy-saving white light sources,>&&&5theuardian5com>science>2014>oct>0.>lihtbulb?moment?nobel?physicists?555


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85 comments.Showing 50 conversations, threads collapsed , sorted oldest first

All comments Staff replies Guardian picks

2 PEOPLE, 2 COE!"S

irishrichy

#er$ interesting% &t's a(a)ing how such a see(ingl$ s(all *reakthrough like this canhave so (an$ applications%

0+ Octo*er 20- ./5p(

36

CaptCrash irishrich$

"here are lessons in using $our *osses e1uip(ent%%% one of the( is don't

offer the( the solution until $ou have got a price fro( so(eone else%

0 Octo*er 20- 3/5+a(

28

YnotStrebor

Congratulations4 nd (an$ thanks !aka(ura6san, kasaki6san and (ano6san/ all

the light*ul*s in ($ ho(e are LE7s, and ($ "#'s *acklight is LE7s% Low power

consu(ption and a ver$ long life%

oreover, the ph$sics and (aterials' science *ehind the develop(ent of 8lue LE7s

have opened the doors for new understandings and innovations%

Perhaps in five $ears or so, Sir 9ichard :riend will *e cele*rating winning a !o*el

pri)e for contri*utions to the develop(ent of OLE7s;

0+ Octo*er 20- ./5p(

4

- PEOPLE, - COE!"S

Chepstow

& don't think the *lue LE7 transfor(ated lighting% &t si(pl$ change$fied it%

0+ Octo*er 20- +/0p(

46

!oony"oon Chepstow

& thought (a$*e it was a word & didn't know, *ut Google couldn't find it%

0+ Octo*er 20- 0/-2p(

2

#im "reenin$%&ac'son Chepstow

& think &an Sa(ple is a pseudon$( for

Www.theguardian.com Science 2014 Oct 07 Lightbulb-moment

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