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.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. On most autumn days, David Sopjes can be found in the Eel River in ...

Kōshinsha is a Kyoto-based manufacturer of highly accurate counting devices called Digital Area Counters. Here we look at how the company is bringing innovative technology solutions to the most ...

Infants and animals are able to understand approximate quantities of different types, in terms of relative proportions of the numbers of different sets of objects, provided the difference in numbers ...