亞契·麥格農
https://imgs.plurk.com/Qy6/7SR/nQgQGrbbqVYqaebY5rwmfq3Klyo_lg.jpg
https://imgs.plurk.com/Qy6/HHl/t6KgP0sIsnSh5WVJXXIjxZ1T2UH_lg.jpg
https://imgs.plurk.com/Qy6/giC/UfssbtNC4C6QOBUstTgAtDJQHqQ_lg.jpg
https://imgs.plurk.com/Qy6/lu6/y1khFJSfLQwUm3FXWxDVlHvmjkv_lg.jpg
Cherenkov radiation
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