,HUMAN;Y'S M1SUR+ 9/RU;TS KEEP SETT+
RECORDS T S.D IMPOSSIBLE4 ,? IS ! CURR5T
L1GUE TABLE  ! G5U9ELY SMALLE/
QUANTITIES "E DETECT$1 H[ !Y 7 CAU<T1 &
:Y EA* "O MATT]$4 ,= ! NEWE/ MEMB] ( !
CLUB1 SEE ZEPTOV]SE4
#A4 ,! SMALLE/ 4T.E "E PROB$  !
ZEPTOV]SE "<@9#AJ_< ;M">
,ON #C ,NOVEMB] #BJBF1 ,,C]N'S ,L,H,CB
EXP]I;T ANN\NC$ EVID;E ( ! R>E/ "PICLE
DECAY "E OBS]V$  A ,BP MESON DECAY+ TO
TWO MUONS1 ONCE 9 @9#AJ BILLION TRIES  &
) X ! SMALLE/ 4T.E SCALE "E EXPLOR$3
9T]AC;NS AT R\<LY A HUNDR$ BILLION? !
SIZE ( AN ATOM4 ,NO 9/RU;T RESOLVES A
ZEPTOMETRE DIRECTLY2 ! M1SURE;T IS MADE
"? QUANTUM VIRTUAL "PICLES ^: 9FLU;E
R1*ES T F>4 ,SEE "O 9 T5 BILLION DECAY4
#B4 ,! SMALLE/ 4PLACE;T "E M1SUR$ 
,,LIGO "<@9#AJ_<;X ;M">
,9 ,SEPTEMB] #BJAE1 ,,LIGO'S TWO
GRAVITA;NAL-WAVE DETECTORS REGI/]$ A
/RA9 ( @9#AJ_<  _! #D-KILOMETRE >MS
/RET*+ & SQUEEZ+ BY AB #AJ_<;X METRES1
R\<LY A ?\S&? ( ! WID? ( A PROTON4 ,X IS
! SMALLE/ 4PLACE;T "E DIRECTLY M1SUR$1
MADE POSSIBLE BY LAS] 9T]F]OMETRY1
SUSP5D$ MIRRORS1 & SEISMIC ISOLA;N4 ,!
SIGNAL  TWO COLLID+ BLACK HOLES  WON !
#BJAG ,NOBEL ,PRIZE4
#C4 ,! SMALLE/ "T "E M1SUR$  #BDG
ZEPTOSECONDS
,9 #BJBJ1 ,FRANKFURT PHYSICI/S "TD A
PHOTON CROSS+ A HYDROG5 MOLECULE3 #BDG
ZEPTOSECONDS  #BDG  #AJ_< SECONDS  !
FA/E/ PROCESS "E CLOCK$4 ,9 T 9T]VAL1
LI<T XF TRAVELS AB A ?IRD ( A NANOMETRE4
#D4 ,! SMALLE/ MASS  ! NEUTR9O "<@<#J4DE
E,V">
,! NEUTR9O IS ! LI<TE/ "PICLE "KN TO H
MASS  & NOBODY HAS F9I%$ WEI<+ X4 ,!
,,KATR9 EXP]I;T'S BE/ M1SURE;T PUTS !
CEIL+ NE> A FEW T5?S ( AN ELECTRONVOLT 
OV] A MILLION "TS LI<T] ?AN ! ELECTRON4
,! SIGNAL HUNT$ IS A DEFICIT ( A FEW
ELECTRON-VOLTS AT ! EXTREME TAIL (
TRITIUM 2TA DECAY  AN ACT ( WEI<+ !
NE>LY-WEI<T.S4
#E4 ,! SMALLE/ DETECTABLE 5]GY  A S+LE
PHOTON
,LI<T COMES 9 9DIVISIBLE PACKETS1 & !
BOTTOM ( ! SCALE IS "O PHOTON3
S+LE-PHOTON DETECTORS "<SUP]CONDUCT+
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R\T9ELY C.T 9DIVIDUAL QUANTA  EA* C>RY+
A FEW ELECTRON-VOLTS ( 5]GY1 ! SMALLE/
TRANSAC;N NATURE P]MITS 9
ELECTROMAGNETISM4 ,QUANTUM COMPUT]S1
A/RONOMY'S FA9TE/-S\RCE M1SURE;TS1 &
QUANTUM-KEY SY/EMS ALL RUN ON C.T+ S+LE
PHOTONS4
#F4 ,! SMALLE/ V]IFI$ 4CREPANCY  !
ELECTRON'S MAGNETIC MO;T
,P]H ! MO/ A/ONI%+ 8SMALL0 M1SURE;T (
ALL ISN'T A 4T.E OR "T B A MAT*3 !
ELECTRON'S ANOMAL\S MAGNETIC MO;T HAS
BE5 M1SUR$ TO AB "O "P 9 #AJ  & PR$ICT$
BY QUANTUM ELECTRODYNAMICS TO MAT*+
PRECI.N4 ,M1SUR+ "S?+ CORRECTLY TO A "P
P] TRILLION IS1 UNIT = UNIT1 ! MO/
PRECISE V]IFI$ AGREE;T 9 SCI;E 
HUMAN;Y'S DEEPE/ 3FIRMA;N T QUANTUM !ORY
DESCRIBES R1L;Y4
,! FLOOR  ! ,PLANCK L5G? "<#AJ_<;U ;M">
,"O SCALE SITS 2L "EY?+ M1SURABLE3 !
,PLANCK L5G?1 @9#A4F  #AJ_<;U METRES  AB
A HUNDR$ TRILLION "TS SMALL] ?AN !
ZEPTOV]SE  ": QUANTUM ME*ANICS & GRAV;Y
COLLIDE & 84T.E0 MAY LOSE XS M1N+4 ,NO?+
%ORT] IS M1SURABLE1 EV5 9 PR9CIPLE1 "U
CURR5T PHYSICS3 ATTEMPT+ TO RESOLVE
SMALL] SCALES REQUIRES 3C5TRAT+ S M*
5]GY T Y'D COLLAPSE ! REGION 9TO A BLACK
HOLE4 ,! ,PLANCK L5G? ISN'T J SMALL  X
MAY 2 ! SMALLE/ POSSIBLE SMALL4
,SEE AL
"9 ZEPTOV]SE  ! NEWLY OP5$ SMALLE/ R1LM
"9 "O 9 T5 BILLION DECAY  H[ ! ZEPTOV]SE
0 F.D "9 GRAVITA;NAL WAVE  ,,LIGO'S /ORY
"9 ZEPTOSECOND  ! "T RECORD "9 NEUTR9O 
! <O/ T ALM WEI<S NO?+