schwit1 writes: Connecting your smartphone to the web with just a lamp - that is the promise of Li-Fi, short for 'light fidelity,' which features Internet access that is 100 times faster than Wi-Fi. French start-up Oledcomm demonstrated the revolutionary wireless technology at the Mobile World Congress, the world's biggest mobile fair, this week. As soon as this smartphone was placed under an office lamp, it started playing a video. The big advantage of Li-Fi is theoretical speeds of over 200 Gbps.
As far as the laws of mathematics refer to reality, they are not
certain, and as far as they are certain, they do not refer to reality.
-- Albert Einstein