Invisible Questions

Christoph Wernli

Invisible Questions, the podcast where overlooked questions are asked, and unsolicited answers are provided This podcast in Italian: https://quesiti-invisibili.podigee.io/ This podcast in Swiss German: https://questions-invisibles.podigee.io/

Episodes

  1. 12/17/2025

    Egg at Altitude

    To cook an egg at altitude, does it have to be boiled longer than at sea level?

    4 min

  2. 12/03/2025

    Standards

    The world is full of standards. Why do we have the ones that we have, and do we deserve them?

    5 min

  3. 11/19/2025

    Aqueducts

    The ancient Romans constructed aqueducts to overcome valleys. Why didn’t they just use pipes instead?

    4 min

  4. 11/05/2025

    Power Lines

    The electrical grid is made up of masts of different shapes that carry a variable number of power lines. What is the logic behind this variety?

    5 min

  5. 08/23/2025

    Mountains & Hills

    Mountains are generally considered terrain elevations. But what distinguishes a mountain from a hill? And if an elevation is very close to the one next to it, when do they still belong to the same mountain, and when do they become mountains in their own right?

    5 min

  6. 06/15/2025

    Cheese Eyes

    Some hard cheeses are full of holes, commonly known as eyes. Where do these eyes come from, and why did they start to disappear in what has come to be known as the Great Eye Crisis?

    6 min

  7. 06/04/2025

    Horizontal Fish

    Most fish are vertical, but some are horizontal. How come?

    5 min

  8. 05/30/2025

    Italian Time

    On most sundials, the meridian — the mark indicating the sun’s highest point in the sky — points to 12 o’clock. But sometimes, it points to a much later hour, between 4 and 8 p.m. How come?

    6 min
  • 8 Episodes

About

Invisible Questions, the podcast where overlooked questions are asked, and unsolicited answers are provided This podcast in Italian: https://quesiti-invisibili.podigee.io/ This podcast in Swiss German: https://questions-invisibles.podigee.io/

Information

  • Creator
    Christoph Wernli
  • Years Active
    2K
  • Episodes
    8
  • Rating
    Clean
  • Copyright
    © Christoph Wernli
  • Show Website
    Invisible Questions