For years, U.S. President Donald Trump has repeated a story about the invention of the paper clip. On March 23, 2026, Trump claimed responsibility for sending Immigration and Customs Enforcement ...

Discover the amazing properties of water's surface tension as you make metal paper clips float on water. You'll learn about the forces that hold water molecules together and how insects like water ...

The paper clip might seem like an ordinary object in your stationery drawer, but its simplicity hides a surprisingly rich history and wide range of uses. Designed to hold sheets of paper together, ...

James Ward has an unusual attachment to paper clips. And when he sees one, he sees "a piece of art, but it's also a piece of useful art." And like any serious art appreciator, he is also a collector.

In the patent literature, the term "prior art" is virtually synonymous with "state of the art," the standard against which any claimed improvement is necessarily judged. Normally, "state of the art" ...