Ho Ho Ho, now I have a Fresnel Lens
Who says good deeds aren’t their own reward? Last Sunday I was visiting my mother to help here move some heavier thing out of her garage. Among the victims of our cleaning day was...
Tagged: pennies
Quarter Shrinking aka Making Small Change
(Stoneridge Engineering) The Quarter Shrinker uses a technique called high velocity electromagnetic metal forming, or “Magneforming”. This technique was originally developed by the aerospace industry in conjunction with NASA, and has been popularized by...
