DIY
PopSci's curated collection of life skills, tech tips, and hands-on projects we think you'll love.
Latest in DIY
![A white mug on top of a smart coaster with red LEDs.](https://www.popsci.com/wp-content/uploads/2019/03/18/SECRQBABVAE5YOSIL5CHBIA3VI.jpg?w=337)
DIY
Smart coaster
![Thar She Blows](https://www.popsci.com/wp-content/uploads/2019/03/18/GL6NLPLDDZPDNYHFTL2KZHPB7E.jpg?w=401)
DIY
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