#scienceandtechonology

Scientists at MIT, Massachusetts General Hospital have developed a new material that can temporarily protect and tighten skin, and smooth wrinkles. About it ◆ As skin ages, it becomes less firm and less

 Li-Fi or Light Fidelity, also known as visible light communications (VLC) is a super-quick alternative to Wi-Fi.  Li-Fi utilizes visible light in place of radio waves to bar data through the air. 