Every episode.

Episodes

1. S4 · E62SoundOct 7, 2026

   The Quietest Room on Earth

   Sven Aaltonen · Anechoic chamber engineer

   Sven builds rooms that swallow 99.99% of sound. We spend twenty minutes inside one, then ask him what silence actually does to a person.

   58 min

2. S4 · E61DesignSep 23, 2026

   A Better Bike Lane

   Marisol Vega · Street designer

   Paint is not protection. Marisol on kerbs, planters, signal timing and the bike lane that a ten-year-old would actually use.

   50 min

3. S4 · E60CraftSep 9, 2026

   The Restorer’s Rule

   Giulia Conti · Furniture conservator

   Every repair must be reversible. Giulia on fixing 18th-century chairs so that the next restorer can undo her work.

   1 hr 14 min

4. S4 · E59ScienceAug 26, 2026

   Counting Every Tree in a City

   Dr. Aditi Rao · Urban ecologist

   Aditi and two hundred volunteers counted all 2.3 million trees in a city. On data, shade and the street that runs five degrees hotter.

   58 min

5. S4 · E58DesignAug 12, 2026

   How to Design a Medicine Bottle

   Owen Pritchard · Pharmaceutical packaging designer

   Child-proof but not grandparent-proof. Owen on labels, caps and the tiny details that keep people from taking the wrong pill.

   1 hr 5 min

6. S4 · E57EngineeringJul 29, 2026

   Small Satellites, Big Pictures

   Dr. Lina Abboud · Satellite engineer

   Satellites the size of a shoebox now photograph the whole planet every day. Lina on building them in a clean room in Tucson.

   49 min

7. S4 · E56EngineeringJul 15, 2026

   Batteries Made of Salt

   Dr. Imani Brooks · Chemical engineer

   Imani stores solar power in tanks of molten salt. On heat, grid storage and the very unglamorous work of making energy last overnight.

   44 min

8. S4 · E55SoundJul 1, 2026

   The Acoustics of a Library

   Pablo Herrera · Architectural acoustician

   How quiet is quiet enough? Pablo on designing reading rooms where you can hear a page turn but not a phone call.

   53 min

9. S4 · E54CraftJun 17, 2026

   Weaving with Recycled Fishing Nets

   Thandiwe Dube · Textile designer

   Thandiwe turns abandoned fishing nets into rugs. On sorting, cleaning, spinning and the colours you can only get from the sea.

   1 hr 19 min

10. S4 · E53ScienceJun 3, 2026

    Clouds on Demand

    Dr. Elise Fontaine · Atmospheric physicist

    Elise studies how clouds form in a chamber the size of a room. On seeding, rain and the ethics of changing the weather.

    48 min

11. S4 · E52DesignMay 20, 2026

    A Font in Every Language

    Noor Haddad · Multi-script type designer

    Noor designs type families that cover Arabic, Latin, Devanagari and more. On harmony without sameness.

    1 hr 11 min

12. S4 · E51EngineeringMay 6, 2026

    Robots That Fold Laundry (Badly)

    Dr. Jun Park · Roboticist

    Folding a T-shirt is one of the hardest problems in robotics. Jun shows us why, with video he says we may not share.

    1 hr 9 min

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