For example, 51-19-145 is the shorthand for a 51mm lens width, 19mm bridge width, and 145mm temple length. But what does that mean? The higher the prescription, the thicker the glasses' lenses will be ...
LG demonstrated a new flexible display that doesn't just fold in half like those in new smartphones. This one can be stretched up to 50 percent of its length-from 12" to 18". It can also be twisted ...