/u/DaneCountyAlmanac's posts
Placing two disposable camera lenses opposite one another symmetrically creates one lens with half the focal length. Is there a formula or optical procedure for determining correct spacing?
Mark as read: Add to a list
Every time I see a picture of Oman, the quality of civil engineering looks really high. Is this just the tourism department, or are your roads that good?
Mark as read: Add to a list