Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Abstract: We present KnotPad, an interactive paper-like system for visualizing and exploring mathematical knots; we exploit topological drawing and math-aware deformation methods in particular to ...

Inserting easy-to-release slipknots into surgical thread could help surgeons to tie perfect sutures — tight enough to help heal a wound but not so tight that they damage tissue. Researchers worked out ...