Ben Krasnow

I teardown a commercial, handheld breathalyzer and discuss how it works, then test a standalone ethanol sensor. http://www.seeedstudio.com/d...

Alien technology?  No!  A thin coating of titanium dioxide on your windows will use the UV in sunlight to burn away dirt and wash itself cle...

This machine allows me to mix a single cookie and vary the recipe for each cookie on the sheet. Hence, I can test many different recipe vari...

I describe the basics of ruby laser design. I'm building a laser with about 8KJ of electrical pump energy. http://www.susiebeesley.co.uk...

I describe a few more details about the sputter process that I have used to make ITO coatings.