Presenter and physics professor Jim Al-Khalili takes on the mystifying science behind gravity. It is a fundamental force of nature and shapes our entire universe, forming galaxies and warping space and time.
White gravity’s strange powers were discovered by Sir Isaac Newton, and Albert Einstein realised that gravity is the result of the curvature of space and time, gravity has taken hold of our daily lives in the most unexpected ways.
As Jim tells the story of gravity, it challenges his own understanding of the world around us.
The science of gravity includes the greatest advances in physics, and Jim recreates groundbreaking experiments in gravity including when the Italian genius Galileo first worked out how to measure it.
Gravity science is still full of surprises and Jim investigates the latest breakthrough – ‘gravity waves’ – ripples in the vast emptiness of space. He also finds out from astronauts what it’s like to live without gravity.
But gravity also directly affects all of us very personally – making a difference to our weight, height, posture and even the rate at which we age.
With the help of volunteers and scientists, Jim sets out to find where in Britain gravity is weakest and so where we weigh the least.
He also helps design a smartphone app that volunteers use to demonstrate how gravity affects time and makes us age at slightly different rates.
To sum it all up, Jim discovers that despite incredible progress, gravity has many secrets.
- Release date2017
- Full runtime
- Director(s)Andrew Smith
- Production companyBBC