Battery string trimmers start up effortlessly, perform quietly, and have zero emissions. Gas string trimmers have endless run times (as long as you refuel). Both styles of these tools remain popular, ...

What is the stuff in the universe made of? Our high-school physics tells us atoms, with 90 natural elements building the world around us. But what are these atoms made of? Over the last century, we've ...

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...

The original version of this story appeared in Quanta Magazine. String theory captured the hearts and minds of many physicists decades ago because of a beautiful simplicity. Zoom in far enough on a ...

String theory has finally made a prediction that can be tested with experiments -- but in a completely unexpected realm of physics. The theory has long been touted as the best hope for a unified ...

Shop them in multiple lengths.

Editor's Note: February 18, 2026: Spring is almost here and it's the perfect time to tackle your clean-up projects. We've reviewed this article and still stand by our recommendations. Once there is ...

A string trimmer gets into places that a lawn mower can’t. It’s the ideal tool for keeping the edges of your garden or walkway neat and tidy, and for manicuring around fence poles and tree trunks. It ...

The concept based on fate has ties to ancient mythology Elizabeth/ Tiktok ; Audrey Roberts/ Tiktok Taylor Swift was on to something with her 2020 Folklore track “Invisible String.” The idea that ...

String theory found its origins in an attempt to understand the nascent experiments revealing the strong nuclear force. Eventually another theory, one based on particles called quarks and force ...