Most of the Office applications let you insert shapes. One shapes is a line; however, laying a straight line can be tricky. Test it for yourself. In any application, display the Drawing toolbar by ...

III. BEFORE leaving the Peaucellier cell and its modifications, I must point out another important property they possess besides that of furnishing us with exact rectilinear motion. We have seen that ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Researchers have made molecules organise themselves into straight lines, paving the way to create nanotech circuit boards. Researchers at the University of Wisconsin have come up with a way to ...