Ethan Siegel

Personalised advertising and content, advertising and content measurement, audience research and services development

In this Universe, few mysteries loom as large as the puzzle posed by dark matter. We know, from the gravitational effects we observe — at all times, on scales of an individual galaxy and upward, and…

Personalised advertising and content, advertising and content measurement, audience research and services development

For just a moment, I want you to close your eyes and think about the most famous, most spectacular images of the Universe that you've ever seen.

Scalars, vectors, and tensors come up all the time in physics. They're more than mathematical structures. They help describe the Universe.

Personalised advertising and content, advertising and content measurement, audience research and services development

Personalised advertising and content, advertising and content measurement, audience research and services development

Ever since JWST first opened its eyes on the deep, distant Universe, it's showed us objects that we didn't expect we'd find.

Personalised advertising and content, advertising and content measurement, audience research and services development

Personalised advertising and content, advertising and content measurement, audience research and services development