Waves are related to oscillating systems, except that wave oscillations appear not only as time-oscillations at one place, but propagate in space as well.
Richard P. Feynman
粒子性と対をなす波動性の物理学.
波動
Waves are related to oscillating systems, except that wave oscillations appear not only as time-oscillations at one place, but propagate in space as well.
Richard P. Feynman
粒子性と対をなす波動性の物理学.