Think about the last time you tied your shoe: maybe you tied it tightly, or tied multiple knots to ensure the laces wouldn’t come undone. You likely relied on intuition to tell you how much tension to ...

A subluxated or unstable posterior chamber IOL needs to be repositioned and fixated to the sclera. This can often be a surgical challenge, and various surgical approaches have been described in the ...

Five thousand years ago, the Egyptians used reef knots to fasten their belts. In the first century, Greek physicians employed both reef knots and clove hitches to tie surgical nooses. Today, these ...

Researchers have unearthed a robust physics-based mechanism that dictates the sliding strength, or resistance to slippage, of the most common type of surgical knot. In particular, they have found that ...

Five thousand years ago, the Egyptians used reef knots to fasten their belts. In the first century, Greek physicians employed both reef knots and clove hitches to tie surgical nooses. Today, these ...

Researchers have analyzed the mechanical forces underpinning simple knots, and come up with a theory that describes how a knot's topology determines its mechanical forces. Got rope? Then try this ...