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.

The humorous plots in his xkcd webcomic are one of the favorite parts for many readers. Their distinctive, Tufteian style delivers the information – in this case, a punch line – without ...

Did The Matrix and The Terminator rip off Sophia Stewart's story "The Third Eye"? Dave digs into the allegations and debunks this conspiracy theory.

The synopsis for The Matrix 4 (AKA The Matrix Resurrections) has been released and, while it doesn’t blow the mystery of Keanu Reeves’ mind-bending return wide open, it does give us more than ...

The Matrix trilogy is littered with heaps of huge, gaping plot holes that you likely didn't notice when you first watched them. Wowers those movies are a mess.

For a movie that takes place in another time on a distant planet, the pitfalls for Jupiter Ascending are straight out of contemporary Hollywood. The latest science-fiction epic from directors Andy ...

This post recommends using Trellis plots instead of 3D bar charts for three-dimensional (three variable) data. In Winner of the Bad Graph Contest Announced, I promised to present alternatives to ...

The synopsis for The Matrix Resurrections has shed a bit more light on the upcoming film's plot, including that this new version of the Matrix will be "stronger, more secure and more dangerous ...

Keanu Reeves has teased The Matrix 4 in a way fans probably were not expecting, while denying rumours the film is a prequel.. The actor appeared on The One Show via a live link on Wednesday (16 ...