Is it possible to count objects you can't see? If you've ever received a boxed gift, or a mysterious package from Amazon, you might have tried to lightly shake the box to try to guess its contents.

In pre-kindergarten, children ages 3-5 develop a basic understanding of numbers and counting, and connect both to the idea of “how many.” Pre-k math tips work on recognizing, grouping, and comparing ...

With Coleman Technologies‘ latest product, manufacturers can count large volumes of tiny objects, like candy, pharmaceuticals and precious stones. Its first iteration of the machine, the Ball-Coleman ...