No one wants to find a rat swimming around in their toilet bowl. If one turns up, however, it’s best that you know what to do ...

Vivoo's attachable smart toilet sensor was unveiled at CES 2026 and is designed to analyze hydration levels in real time.

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, ...

A dynamical system is a particle or ensemble of particles whose state varies over time and thus obeys differential equations involving time derivatives. Analytical resolution of such equations or ...