Corrections
June 2019, page 42—In the caption for figure 1, the image should be attributed to Yasunobu Miyoshi.
May 2014, page 20—The length scale in the lower right panel of the figure should be given as 1 mm.
1.
E.
Yiğit
, A. S.
Medvedev
, Physics Today
72
(6
), 40
(2019
). 2.
T.
Feder
, Physics Today
67
(5
), 20
(2014
). © 2019 American Institute of Physics.
2019
American Institute of Physics
