麻豆约拍

Back up to: The Secret Genius of Modern Life

1. Trainer

   6/6 Hannah Fry visits eBay authentication, where they are waging war against fake trainers.
2. Fitness Tracker

   5/6 Hannah Fry finds out how 1970s car crashes helped us to count our steps.
3. Electric Car

   4/6 Hannah Fry discovers why innovations in meat packing almost derailed the electric car.
4. Virtual Assistant

   3/6 Hannah Fry delves into the inner workings of virtual assistants.
5. Food Delivery App

   2/6 Hannah Fry tucks into the tech behind food delivery apps.
6. Bank Card

   1/6 Hannah Fry takes a look at the bank card, the digital key to accessing cash.