This week, we’re going on a search for the theory of everything.
The two main theories of physics are at odds with one another. Einstein's general relativity explains gravity, but it contradicts quantum theory: how we understand matter, atoms and particles.
Theoretical physicist at Imperial College London Professor Fay Dowker has been working on a solution to this quantum gravity problem, and tells us why the theories are incompatible, and how she plans to bring them together.
If you have a burning science question you want an expert to answer, send them to us on twitter at @sciencefocus, and we may answer them in a future episode.
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Listen to more episodes of the Science Focus Podcast:
Dr Erin Macdonald: Is there any science in Star Trek?
Dr Becky Smethurst: How do you actually find a black hole?
Kathryn D. Sullivan: What is it really like to walk in space?
Hannah Fry: How much of our lives is secretly underpinned by maths?
Robert Elliott Smith: Are algorithms inherently biased?
Monica Grady: What is the future of space science?
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