Photo by Jared Rice on Unsplash

Out of everything the world is running out of, its sand is probably the least obvious. With all the deserts and beaches we have, you’d be forgiven for thinking it is in plentiful supply.

As it turns out, the sand that can be used for most applications is extremely limited. Most of the time, desert sand simply cannot do the job.

From concrete and asphalt to glass and computer chips, sand is nearly everywhere…