I bought an older version of this for a student of mine to get her started on her dive into optical measurement. It’s a nice simple kit and helps demystify some

I bought an older version of this for a student of mine to get her started on her dive into optical measurement. It’s a nice simple kit and helps demystify some of the technology. She ended up building a nice polariscope for measuring microfluidic flows of viscoelastic fluids.