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--- un:light [2024/07/14 21:38] – asad
+++ un:light [2024/07/14 21:39] (current) – asad
@@ Line 1: / Line 1: @@
 ====== Light ======
-Light is a wave in an electromagnetic field. Its speed $c\sim 3$ Gm/s is considered to be the universal speed limit that nothing can break.
+Light is a wave in an electromagnetic field. Its speed $c\sim 300$ Mm/s is considered to be the universal speed limit that nothing can break.
 ===== - Classification =====