Thinkgeek used to sell this thing for about $30 many years ago, but unfortunately, I haven’t seen it for sale online in a long, long time.
[Via thatweirdguyoverthere on Imgur]
https://www.youtube.com/watch?v=_f-qkGJBPts From Thomas Frank: If you want to cut your study time, using the Feynman…
For today’s edition of “Deal of the Day,” here are some of the best deals…
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