Here are seven random numbers. Sort of like a telephone number, but arranged vertically. Take a glance — just a glance — then pause, take out a piece of paper and see how many you can recall. Done?
YouTuber Kevin Lieber (who hosts the popular Vsauce2 series) has brought a classic math magic trick back from its ‘90s heyday. In the video, Lieber walks viewers through a magic trick where they ...
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