TakoyakiU
MAGNETIC ACCELERATOR - SMOT experiment for kids https://t.co/7ApDWI40BE @YouTubeさんから
— Takoyaki _umaaaaaa (@TakoyakiU) May 20, 2017
MAGNETIC ACCELERATOR - SMOT experiment for kids https://t.co/7ApDWI40BE @YouTubeさんから
— Takoyaki _umaaaaaa (@TakoyakiU) May 20, 2017