Just a couple of physics notes: I wrote r as a scalar. This is the magnitude of the vector r.; The 1 over 4πε 0 is just a constant.; Electric potential is a scalar quantity, not a vector.

Data Visualization - Plotly and Cufflinks. Plotly is a library that allows you to create interactive plots that you can use in dashboards or websites (you can save them as html files or static images) ...

MONTREAL, June 02, 2025 (GLOBE NEWSWIRE) -- Plotly today announced Plotly Studio™, an AI-native desktop application that automatically generates beautiful visual data apps in just two minutes ...