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Mark Frauenfelder
658,422 followers -
Author and public speaker
Author and public speaker

658,422 followers
About
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My daughter was interviewed about her internship with +SWITCHSCIENCE! https://youtu.be/zUxvR22GKLM
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I'll be here on Friday in San Francisco, showing how to make cigar box guitars. It's free!
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Here's this week's Recomendo - with 6 cool things we love.

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A Cool Tools reader is looking for a good source for downloadable audio walking tours. Can you help?

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One of our earliest Tool Tools reviews (From 2003) is still a reader favorite.

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Check out my daughter Sarina's incredible art! https://www.instagram.com/crispy_baby_clam/
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4/20/17
15 Photos - View album
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A fantastic 20-minute video about the street-level electronics ecosystem in Shenzhen.
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Here's my first animated video. I used After Effects. It's for Institute for the Future.
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