Tell us about yourself!
no, I was being ironic. What he descibed was a lens. What I described is one of the oldest devices in the world, a sledge with 2 rollers.
Coolguy is right. Putdown snobbish behavior is not welcome here.
My point is that you remove O2 from the fridge the food then doesn't oxidize, which is the #1 facilitator of food spoilage (why food keeps longer with plastic wrap).
Wow. Interested in just an n2 generator, feed into fridge so food will last longer.
The official google cardboard has a diopter of around 22-27. Diopters add in parrallel, or in otherwords you'd need ten 2 Diopter lenses to get a 22 diopter strength lens.