PRX - Pieces for Topic: Historical

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From Frogs To Wands of Destiny: The Invention of the Home Pregnancy Test
From: Mother
Caption: Meg Crane's home pregnancy test prototype, 1968., Credit: Courtesy of Bonhams.
Pregnancy tests weren't always the neat, little plastic wands we have in drug stores today.

Bought by New Hampshire Public Radio, WAMC Northeast Public Radio, and PRX Remix


  • Added: Nov 22, 2015
  • Length: 10:20
  • Purchases: 3
The Twin Paradox
From: Bishop Sand
Series: Sift
Piece image
Step into the weird world of relativity as we walk through the Twin Paradox with help from some great physics teachers.

Bought by KBCS 91.3 FM Community Radio and PRX Remix


  • Added: Jul 08, 2011
  • Length: 09:03
  • Purchases: 2

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