A pinhole device, which can be made from a cardboard box in a few minutes, projects a tiny image of the partially eclipsed sun on a piece of white cardboard.
(A pinhole device; can be made; from a cardboard box; T:in a few minutes) (A pinhole device, which can be made from a cardboard box in a few minutes; projects; a tiny image of the partially eclipsed sun)
A pinhole device A pinhole device, which can be made from a cardboard box in a few minutes
can be made projects
from a cardboard box T:in a few minutes
a tiny image of the partially eclipsed sun