Popular Science: How to make a walkie talkie for your dog

Popular Science lauded such an effort in 1939. Today is a whole different story.

BEFORE DUG THE DOG—the lovable talking canine from Disney’s 2009 blockbuster animation Up—there was Zoe, the Alsatian police dog. While Dug’s goofy gaffes and brainwave-reading, voice-box collar endeared him to audiences, Zoe’s ability to follow her master’s commands from afar–performing tricks like climbing a ladder, turning a faucet on and off, and even removing her own collar–was especially impressive because she was real....

How to make a walkie talkie for your dog

Many thanks to Marina Galperina, Popular Science Managing Editor.

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