String theory attempts to unify all forces and particles in the universe using vibrating strings. It aims to explain the Standard Model of particle physics, which is incomplete. String theory predicts ...

With many spending so much more time at home since the pandemic started, some turned to home improvement projects late last year, like renovating outdoor living spaces, installing pools and building ...

When you shop through retailer links on our site, we may earn affiliate commissions. 100% of the fees we collect are used to support our nonprofit mission. Learn more. String trimmers (also called ...

Under normal use, you need to advance your string trimmer’s nylon cutting string whenever the tool isn’t cutting effectively. That happens every few minutes or even quicker in tall grass and weeds.

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 ...

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Paul M. Sutter is an astrophysicist at SUNY Stony Brook and the Flatiron Institute, host of Ask a Spaceman and Space Radio, and author of "Your Place in the Universe." Sutter contributed this article ...