Stopping Light
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* Big deal! “Researchers Briefly Bring Light Beam to a Dead Stop” (Jan. 19). PG&E; and Edison have been doing that for a week!
FRANCIS A. ROSE
Culver City
* Big deal! “Researchers Briefly Bring Light Beam to a Dead Stop” (Jan. 19). PG&E; and Edison have been doing that for a week!
FRANCIS A. ROSE
Culver City