The Winter Olympics are finishing in Sochi, Russia this week. But it's not just the athletes who've spent the last four years training for the event. Engineers and designers have also been working to reduce times and grab golds on the slopes. In fact, when asked about her gold medal in the Women's Snowboard Cross Eva Samkova from the Czech Republic said "It's just physics, that's all,". To find out more, here's your Quick Fire Science with Kate Lamble and Harriet Johnson.