SUNNYVALE — Solving a Rubik’s Cube puzzle is relatively simple, insists Nathaniel Knopf. Anyone can do it with practice. “It’s really about recognizing patterns,” said Knopf, 17, a junior at Tamalpais ...
We may earn a commission from links on this page. My children used to love playing with colorful plastic blocks. Then they discovered iPad entertainment, and there was no going back. Or is there?
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