In the future, flying ambulances will carry patients, while people in maglev sky-trains look from the sky-train's windows that can be turned into screens, all while their phones are charged using infrared light. Sounds like a sci-fi movie? Well, it's already being turned into reality in Israel.

While the technology of smartphones keeps becoming more advanced, charging technology is still lagging behind. Israeli startup Wi-Charge has created the technology to charge phones and other devices without a charger, using focused infrared light.