January 2020 ~ photon

A photon is a scientific blog that deals with the various sciences and seeks a better world.

Wednesday, January 29, 2020

where is the particle before the measurement?

where is the particle before the measurement?

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Sunday, January 26, 2020

center of mass

center of mass

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definition of rigid body

definition of rigid body
please click subtitle icon below the video to turn on the English translation

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