We tie our shoes, we put on neckties, we wrestle with power cords. Yet despite deep familiarity with knots, most people cannot tell a weak knot from a strong one by looking at them, new Johns Hopkins ...

We tie our shoes, we put on neckties, we wrestle with power cords. Yet despite deep familiarity with knots, most people cannot tell a weak knot from a strong one by looking at them, Johns Hopkins ...

The researchers showed participants four knots that are physically similar but have a hierarchy of strength. People were asked to look at the knots, two at a time, and point to the strongest one. The ...