Under United States copyright law, engineering drawings, including architectural drawings and mechanical drawings, are all eligible for copyright protection. The scope of protection for mechanical ...
People who write notes in ink must be very sure of their thoughts. I write notes in pencil: It seems more polite. Penciled notes are always provisional and erasable. But the apparent humility—or, ...
Long before electricity was a common household utility, humanity had been building machines to do many tasks that we’d now just strap a motor or set of batteries onto and think nothing of it.
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