Hacker News new | comments | show | ask | jobs | submit login

> it's fascinating to see the parallel invention of something really similar!

This isn't parallel invention - the principal of optical sorting and air ejection are well known and understood. (Which is not to lessen the achievement in building this, but building and inventing are not the same thing.)

Applications are open for YC Summer 2018

Guidelines | FAQ | Support | API | Security | Lists | Bookmarklet | Legal | Apply to YC | Contact