The case for rereading An Article by Mandy Brown aworkinglibrary.com Reread a book enough times, or often enough—keep it at hand so you can flip to dog-eared pages and marked up passages here and there—and it will eventually root itself in your mind. It becomes both a reference point and a connector, a means of gathering your knowledge and experience, drawing it all together. It becomes the material through which you engage with the world. readingunderstandingconnection
Ideas behind their time An Article by Tim Harford www.ft.com These days I am more interested in the reverse case [of Da Vinci's helicopter]: ideas that could have worked many centuries before they actually appeared. The economist Alex Tabarrok calls these “ideas behind their time” Curious minds want to know why these ideas appeared so late — and whether there might be anything that would prevent delays in future. One explanation is that the ideas aren’t as simple as they appear. The bicycle is not as straightforward an invention as it seems. To move from ox-hauled cart to human-powered bicycle requires smooth-rolling wheel bearings, which in turn need precisely engineered bearing balls. Modern steel ball bearings were not patented until the late 1700s, and demand from the 19th-century bicycle industry helped to improve their design. Materials and how to employ them inventionideas