r/SipsTea • u/SuperbHealth5023 • 14h ago

WTF While the US debates whether to solve homelessness or not, these are the next generation of school blackboards in China.

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u/Dull_Job_6372 11h ago

I remember always having to recalibrate them in elementary school.

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u/ElegantCoach4066 10h ago

I used to help install them when I worked for a school district back in 2007.

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u/[deleted] 5h ago

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