Solve a Yajisan-Kazusan puzzle, size 10×10.

Shane Carruth's "Primer" opens with four techheads addressing envelopes to possible investors; they seek venture capital for a machine they're building in the

“Isaac my dear, you know well enough how grateful I am—” “Becky my dear,” he says, with a note of disdain. “What I know is this: Anyone ...