By BBC World Service
Published January 07, 2020 3:00pm
South Africa Power CutsIs South Africa facing a blackout? Power cuts across the country are now happening regularly as the country struggles with demand for electricity. There’s even an app that tells you if your lights are going to stay on today, or tomorrow. Professor Keith Bell from Strathclyde University explains why this is happening.
Plasmonics - computing with lightFancy computing with the speed of light? Well for the first time this is possible thanks to research at Oxford University. Scientists have managed use light to store, access and now process data on chip. Th...