alt Hacker NewsLast Chance to See has a fun bit about listening for dolphins in the Yangtze by taking a regular microphone and putting a condom over it. Always wondered how they sealed the end.
Replies
gnatman • yesterday at 2:16 PM
what if you tied it tightly beneath the mic with a rubber band, and then attached a weight 2-3 feet down the cord? that way the condom/mic floats end down and keeps things dry.
micw • yesterday at 10:38 AM
Must just be long enough ^^
https://www.hbmpodcast.com/podcast/hbm088-riptides-and-a-sin...
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