1) Take a 10-20 second video of your speaker and email me the file.
2) Identify a variable you want to test, then create 3 or more swatches for a swatch exchange using thermochromic ink and a heating element. Document it on the blog.
1) Take a 10-20 second video of your speaker and email me the file.
2) Identify a variable you want to test, then create 3 or more swatches for a swatch exchange using thermochromic ink and a heating element. Document it on the blog.