The Secret Genius of Modern Life

Series 3

2025 · 5 episodes · 4h 53m in all · 6.2/10

Episodes

1. 

   1. Air Fryer

   2 Apr 2025 · 58 min · 8.0/10

   Hannah takes a look at the air fryer – a device that is rapidly taking over people's kitchens, cooking up everything from bread rolls to baked Alaska and almost making ovens obsolete.

2. 

   2. Fridge

   9 Apr 2025 · 59 min · 6.0/10

   Hannah hits the production line with appliance giants Bosch to find the lifeblood at the heart of every fridge and gets a lesson in carrot droop.

3. 

   3. Rollercoaster

   16 Apr 2025 · 59 min · 6.0/10

   Hanna uncovers the wild origins of the modern-day rollercoaster and gets the inside story on the UK’s newest, tallest and fastest coaster – Thorpe Park's Hyperia.

4. 

   4. Doorbell

   23 Apr 2025 · 59 min · 6.0/10

   The rise of the smart doorbell is one of the great tech success stories of the 21st century. Hannah heads to Los Angeles to take a deep dive into doorbell history and talk to market leaders Ring.

5. 

   5. Motorway

   30 Apr 2025 · 58 min · 5.0/10

   Hannah takes a drive to the National Highways control centre for the UK’s busiest motorway to meet the team that keep the motorways running 24/7.