Now, industrial designer Paul Staal has flipped the script with a working desktop PC that's a supersized homage to the classic computer brick (via Reddit and Hackster.io).
What I found is that written evidence for knocking on wood (and for the history of gesture as a whole) is remarkably sparse. In the Penguin Guide to Superstitions, folklorist Steve Roud offers a skeptical take on the provenance of knocking on wood due to the near total absence of written records about it:
。业内人士推荐体育直播作为进阶阅读
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