Light Fidelity, also known as Li-Fi, uses the power of light to transmit data. Yes, you heard that correctly: This technology harnesses light signals to connect to the internet. Unlike Wi-Fi ...

Instead of reaching for an ultra-rich face cream ... This tinted sunscreen, which has SPF 30, provides both sun protection and light coverage so you can skip foundation altogether.

That’s the promise of light wands. Light therapy wands feature LED (light emitting diode) lights in various colors. “LED devices are commonly used in skin care for their anti-inflammatory and ...