Transcript

HELEN:

So here we are in week 3, moving into the quantum world and the world of special relativity, in actual fact, thinking about how the very, very small is being tested in space to understand the very, very large and important societal issues that we're addressing here on Earth to do with security, timing, so-called metrology, or measurement of things. This week, we're going to be looking at some pretty exciting experiments that show that light can be considered as both a wave and a particle. We're going to be understanding how this experiment behind me is helping us with the future-- potential future of satellites. And we're going to be looking at the ways in which the International Space Station is being used to run experiments rather like this one here at the Open University. Let's go jump into the quantum world.