Our ancestors also knew that a convex mirror, one that has a surface that curves out, creates even more reflected light. From about 1800 to 1820, the “girandole” was a popular mirror to hang ...

Cars have convex mirrors instead of flat ones because they give a wider field of view. This means there are fewer blind spots, and the driver can see what's behind the car more clearly. However ...

If you think the selfie was born as a direct result of the cellphone, “Self-Portrait in a Convex Mirror,” painted just over 500 years ago by Francesco Mazzola, the Italian artist commonly ...