Phil Cook on Instagram: "I built a simple setup to demonstrate how Li-Fi: light-based wireless communication, can be used to transmit sound using visible light. An audio signal from my iPad is amplified and sent to a light-emitting diode (LED), converting the sound into rapid fluctuations in light intensity. When the flickering light shines on a solar panel, the panel converts the light back into an electrical signal that can drive a speaker, reproducing the original sound. Because light waves c

Costco Finds Canada on Instagram: "✨ NEW COSTCO FIND!! ✨ ‌ Globe Electric Rechargeable Glass Wall Sconce (2-Pack) just arrived at Costco Canada 🇨🇦 @globeelectric ‌ Add instant warmth and style to any indoor space — no wiring, no outlets, no stress! 💡 Perfect for apartments, dorms, or cozy corners that need a soft glow. 🌙 ‌ 🖤 Sleek black finish with clear glass shade 💡 2W LED | 250 lumens | 2700K warm white 🔌 Rechargeable via USB-C (cables included) ‌ 💥 It now includes an improved removab