vivadial

📱  Wireless charging has become a mainstream feature in smartphones, smartwatches, and even electric toothbrushes. But how does electricity jump from a pad to your device without a physical connection? Let’s explore the fascinating science behind it. ⚡ The Science Behind Wireless Charging Electromagnetic Induction: Wireless charging relies on inductive coupling, a principle discovered by Michael Faraday in 1831. A coil in the charging pad generates an electromagnetic field when electricity flows through it. Receiver Coil in Device: Your phone or gadget contains a matching coil. When placed on the pad, the electromagnetic field induces a current in this coil, which is then converted into usable power.  Qi Standard: Most modern devices use the Qi standard, ensuring compatibility across brands and chargers. 🕰️ A Brief History 1830s: Faraday discovers electromagnetic induction. 1890s: Nikola Tesla experiments with wireless power transmission. 2009: Qi standard introduced, paving...