The drive to Meteor Crater takes you through quintessential Arizona landscape – endless horizons, scattered juniper and pinyon pines, and that particular shade of rusty orange soil that seems to exist ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

A supersolid is a paradoxical state of matter—it is rigid like a crystal but flows without friction like a superfluid. This ...

The letter highlights concerns about AI’s potential risks, including economic disruption and security threats.