Engineers at Duke University have successfully manipulated laser beams to create intricate 3D patterns known as 'optical ...

This knot is very useful for adjusting tie downs quickly and easily. For example, a tarp could be held down by a series of these knots and be made very tight so the wind cannot make it rise, and ...

You've probably heard the term "knots" relating to the speed of a ship, but where did it come from originally? Here's ...

Knots are generally understood to form due to twists and turns of long, flexible materials that keep shoes on your feet or ...