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                                                                                                 U.S. NEWS Wednesday 14 december 2022
            Fusion breakthrough is a milestone for climate, clean energy




            By  MATTHEW  DALY,  MI-      nificant advance nonethe-
            CHAEL  PHILLIS,  JENNIFER  less.  “It’s  almost  like  it’s  a
            McDERMOTT  and  MADDIE  starting gun going off,” said
            BURAKOFF                     professor Dennis Whyte, di-
            Associated Press             rector  of  the  Plasma  Sci-
            WASHINGTON  (AP)  —  Sci-    ence and Fusion Center at
            entists announced Tuesday  the Massachusetts Institute
            that  they  have  for  the  first  of Technology and a lead-
            time  produced  more  en-    er  in  fusion  research.  “We
            ergy  in  a  fusion  reaction  should be pushing towards
            than was used to ignite it  a  making  fusion  energy  sys-
            major  breakthrough  in  the  tems available to tackle cli-
            decades-long quest to har-   mate change and energy
            ness the process that pow-   security.” Kim Budil, director
            ers the sun. Researchers at  of  the  Livermore  Lab,  said
            the  Lawrence  Livermore  there  are  “very  significant
            National Laboratory in Cal-  hurdles” to commercial use
            ifornia achieved the result,  of  fusion  technology,  but
            which is called net energy  advances  in  recent  years
            gain,  the  Energy  Depart-  mean  the  technology  is
            ment said. Net energy gain  likely  to  be  widely  used  in   A major scientific breakthrough in fusion research is announced at the Department of Energy with,
            has  been  an  elusive  goal  “a  few  decades”  rather   from left, Kim Budil, director of Lawrence Livermore National Laboratory, National Nuclear Security
            because  fusion  happens  than 50 or 60 years as pre-     Administration director Jill Hruby, Secretary of Energy Jennifer Granholm, National Nuclear Security
            at such high temperatures  viously expected.              Administration Deputy Administrator for Defense Programs Marvin Adams, and Arati Prabhakar,
            and  pressures  that  it  is  in-  Fusion  works  by  pressing   the president’s science adviser, in Washington, Tuesday, Dec. 13, 2022.
            credibly difficult to control.  hydrogen atoms into each                                                                        Associated Press
            The breakthrough will pave  other  with  such  force  that
            the way for advancements  they  combine  into  he-
            in  national  defense  and  lium,  releasing  enormous
            the future of clean power,  amounts  of  energy  and
            Energy  Secretary  Jennifer  heat.  Unlike  other  nuclear
            Granholm  and  other  offi-  reactions, it doesn’t create
            cials said.                  radioactive waste.
            “Ignition  allows  us  to  rep-  President Joe Biden called
            licate for the first time cer-  the  breakthrough  a  good
            tain  conditions  that  are  example  of  the  need  to
            found only in the stars and  continue  to  invest  in  re-
            the sun,’’ Granholm told a  search  and  development.
            news conference in Wash-     “Look  what’s  going  on
            ington.   “This   milestone  from the Department of En-
            moves  us  one  significant  ergy  on  the  nuclear  front.
            step closer to the possibility  There’s a lot of good news
            of  zero-carbon  abundant  on the horizon,” he said at
            fusion energy powering our  the White House.
            society.’’                   Billions  of  dollars  and  de-
            Fusion  ignition  is  “one  of  cades  of  work  have  gone
            the  most  impressive  scien-  into  fusion  research  that
            tific  feats  of  the  21st  cen-  has  produced  exhilarating
            tury,” Granholm said, add-   results  for fractions of a sec-
            ing  that  the  breakthrough  ond.  Previously,  research-
            “will go down in the history  ers at the National Ignition
            books.”                      Facility, the division of Law-
            Appearing     with   Gran-   rence Livermore where the
            holm, White House science  success  took  place,  used
            adviser  Arati  Prabhakar  192  lasers  and  tempera-
            called  the  fusion  ignition  tures  multiple  times  hotter
            “a tremendous example of  than the center of the sun
            what  perseverance  really  to  create  an  extremely
            can achieve” and “an en-     brief fusion reaction.
            gineering  marvel  beyond  The  lasers  focus  an  enor-
            belief.’’                    mous amount of heat on a
            Proponents  of  fusion  hope  small metal can. The result
            that it could one day offer  is  a  superheated  plasma
            nearly limitless, carbon-free  environment  where  fusion
            energy  and  displace  fossil  may occur.
            fuels  and  other  traditional  Riccardo  Betti,  a  professor
            energy sources. Producing  at  the  University  of  Roch-
            energy that powers homes  ester  and  expert  in  laser
            and businesses from fusion  fusion,  said  there’s  a  long
            is  still  decades  away.  But  road ahead before the net
            researchers  said  the  an-  energy  gain  leads  to  sus-
            nouncement marked a sig-     tainable electricity.q
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