Episode 640: Episode 25-34 Lawyers run the US, but Engineers run China

On this week’s Tech Nation, Dan Wang from Stanford University’s Hoover History Lab sees the similarities between China and the US in his book: “Breakneck: China’s Quest to Engineer the Future”, and finally, the development of a simple wearable to gauge your true hydration levels. Brisbane, Australia's Dr. Mark Kendall from WearOptimo tells us how it works.