A string trimmer is the ideal tool for reaching areas your lawn mower can’t, such as cutting grass and weeds along fence lines. It’s also the tool you want for finishing touches, like edging walkways ...

These battery-powered and corded electric string trimmers perform on a par with gas-powered models—or even better—in CR’s tests.

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called "Is the end in sight for theoretical physics?" Forty-five years later, ...

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 ...

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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Doug Mahoney Doug Mahoney is a writer covering home-improvement topics, ...

For decades, scientists have theorized about what lies beyond the third dimension and if there can exist a unified theory to explain all of the workings of the universe. This insurmountable task has ...

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 ...

As days grow shorter and darker, it’s a good idea to invest in outdoor lights. These popular accessories don’t require any major installation or rewiring, and ...

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 ...

Forbes contributors publish independent expert analyses and insights. Tim Newcomb covers tennis gear/business, stadiums and shoe tech. So much is made about the technology of tennis rackets. But don't ...