Unpicking How to Measure the Complexity of Knots

Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

How to set up Connectors in Copilot for Windows 11 — search across Microsoft and Google services with natural language

Connectors let Copilot search across different services, and in this guide, I'll explain the steps to configure the feature ...
IEEE

Research on Voltage Source and Current Source Control of Three-phase Grid-connected Converter

Abstract: The grid-connected converter is the main interface between distributed generation and grid. The research can ensure its stable operation under different grid conditions, and it is crucial to ...
IEEE

Design of a Cell String Level Maximum Power Point Tracking Converter Connected to a DC Grid

Abstract: The presented research focuses on the design and implementation of a maximum power point tracking (MPPT) system for photovoltaic (PV) panels installed on a sailing yacht. This yacht relies ...
BBC

Radio 5 Sports Extra

This is BBC Radio 5 Sports Extra - bringing you even more live sports commentaries. This is BBC Radio 5 Sports Extra - bringing you even more live commentaries from the world's greatest sporting ...