## theoretical physics

If, as string theory suggests, the world is made of strings, then what does that mean for a geometry of points? Find out more in this video.

Nadia Bahjat-Abbas is a mature student working on one of the hardest problems of modern physics. Find out more in this video.

The holy grail for 21st century physics is to produce a unified theory of everything — M-theory is a prime candidate. Find out more in this video.

Masaki Shigemori works on black holes and spacetime bubbles. Find out more in this video.

Sanjaye Ramgoolam uses techniques from physics in linguistics, the study of languages. Find out more about this surprising connection between physics, maths and language in this video.

Can physics do for maths what maths has done for physics?

In memory of Stephen Hawking we look at the equation he was most proud of.

Find out what gravitational waves will tell us about the Universe: from understanding its birth to figuring out whether black holes have hairs.