99% Invisible

99% Invisible

Roman Mars 820 - 100 Objects #13: The Sand Letters

Design is everywhere in our lives, perhaps most importantly in the places where we've just stopped noticing. 99% Invisible is a weekly exploration of the process and power of design and architecture. From award winning producer Roman Mars. Learn more at 99percentinvisible.org.

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Episodes

14 Aug 2026

11 Aug 2026

Fri, 7 Aug 2026 07:00:00 +0000

Tue, 4 Aug 2026 08:00:00 +0000

31 Jul 2026

28 Jul 2026

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21 Jul 2026

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14 Jul 2026

10 Jul 2026

Tue, 7 Jul 2026 08:00:00 +0000

Fri, 3 Jul 2026 07:00:00 +0000

30 Jun 2026

26 Jun 2026

23 Jun 2026

19 Jun 2026

16 Jun 2026

12 Jun 2026

Tue, 9 Jun 2026 08:00:00 +0000

Fri, 5 Jun 2026 07:00:00 +0000

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29 May 2026

26 May 2026

19 May 2026

12 May 2026

Fri, 8 May 2026 09:00:00 +0000

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28 Apr 2026

24 Apr 2026

21 Apr 2026

14 Apr 2026

Tue, 7 Apr 2026 09:00:00 +0000

Fri, 3 Apr 2026 09:00:00 +0000

31 Mar 2026

27 Mar 2026

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17 Mar 2026

10 Mar 2026

Tue, 3 Mar 2026 18:15:00 +0000

27 Feb 2026

24 Feb 2026

17 Feb 2026

10 Feb 2026

Tue, 3 Feb 2026 18:15:00 +0000

30 Jan 2026

27 Jan 2026

20 Jan 2026

13 Jan 2026

Tue, 6 Jan 2026 18:15:00 +0000