Physics

Polarity. It’s a useful concept

I’m on a bus, ploughing its way through an excessive headwind as yet another Atlantic storm blasts us to colour-coded distress (we are Code Red now; there are no more colours left). But even in distress, we have clever scientifically literate headlines. Fair play to RTE’s news website people for […]

Reverse the Earth’s rotation? I’d want to get off

Here is the spinning globe atop the University of São Paulo’s international webpage. Tut, tut, tut: I know what you’re thinking: “That’s the wrong direction of rotation! Why, if the Earth rotated in that direction, we’d all be killed!” Or something. Well, as well as messing up time zones so that […]

Evidence for time travel on Twitter is not there, unsurprisingly

More news from the crazy world of time travelling: it’s still impossible. A team of intrepid researchers have trawled the Internet looking for references to Pope Francis that preceded his becoming a pope (i.e., the Catholic one; there are others) or to Comet ISON prior to its being named “Comet ISON.” Both […]