photosensitive running top

Recently while reading a tweet from the Blowing Things Up Lab, I learned about Emily Daub, a maker and college student who designed a running shirt that helps runners be more visible to motorists—my daughter is a runner so this sounds like a great idea to me. The shirt is photosensitive which cause the light intensity of the fabric to change in ambient light. According to Emily Daub, "If you run at night, this is for you. This lights up as it gets darker outside on two independent photocells and no microcontroller!" In this interview, I ask Emily more about this fantastic invention...