Rules for obtaining images formed by convex lens In convex lens, the image is always formed at a point where at least two refracted light rays meet. Rule 1: A ray of light which is originally ...

Ticket Giveaway: We have five pairs of tickets to "Concave and Convex: A Sumikawa Kiichi Retrospective" at the Yokohama Museum of Art to give to readers. To apply, visit jtimes.jp/tickets.

In this paper we are concerned with the problem of finding the global minimum of a concave function over a closed, convex, possibly unbounded set in R n. The intrinsic difficulty of this problem is ...

Concave Convex Mirror has been created for the Alt Material exhibition, part of NGV's Melbourne Design Week 2020. The framework of Concave Convex Mirror is made of mild steel spun over a custom ...