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 ...

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.

If you’re reading this, you’ve probably already mastered the skill of counting. But just because something is easy doesn’t mean it’s enjoyable, so the makers of a documenting-scanning app for ...

Counting objects is an ideal task for automation, and when focusing on a single type of object, there are many effective solutions. But what if you need to count hundreds of different objects? That’s ...

Psychologists have found that use of certain objects for counting have mixed results with preschoolers, particularly if those objects are rich in perceptual detail (bright and shiny). Concrete objects ...

Skip counting is a useful skill if you need to count sets of objects, such as pairs of shoes, gloves, the wheels on a tricycle, or even money. Counting on in twos, threes, fives and tens is easy, if ...