Physicists have spent decades looking for evidence of the force known as 'dark energy'. It makes up two thirds of the universe and is put forward to explain the accelerating expansion of the universe. But might this be mistaken? Join groundbreaking physicist, Claudia de Rham, as she argues we have a better candidate to explain the accelerating expansion: quantum vacuum energy.

"de Rham has pioneered a radical theory." – Hannah Devlin