The winter Paralympics have been held for more than 40 years. Athletes compete in events such as alpine skiing, some using a sit ski, with a seat attached to a single ski. There’s also biathlon, in which vision impaired athletes use sound to find targets. How has technology affected the evolution of the games — and what role does money play in who has that tech? Marketplace’s Kimberly Adams talks with Ian Brittain, a research fellow at Coventry University in the United Kingdom, where he studies disabilities and the Paralympics.

The winter Paralympics have been held for more than 40 years. Athletes compete in events such as alpine skiing, some using a sit ski, with a seat attached to a single ski. There’s also biathlon, in which vision impaired athletes use sound to find targets. How has technology affected the evolution of the games — and what role does money play in who has that tech? Marketplace’s Kimberly Adams talks with Ian Brittain, a research fellow at Coventry University in the United Kingdom, where he studies disabilities and the Paralympics.