#teach180 day1 #physics https://t.co/CTLJ6ge4Pl What is physics? Challenged this year's group to make an even better video for me
— Mark Betnel (@markbetnel) August 31, 2017
#teach180 day1 #physics https://t.co/CTLJ6ge4Pl What is physics? Challenged this year's group to make an even better video for me
— Mark Betnel (@markbetnel) August 31, 2017
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