March 18, 2020, 5:24 p.m.
tutti - social network
Tutti is the simplest social network on internet. Here you can make friends, create communities, sell things, make surveys, comment and share stuff.
Inspired by the human eye, researchers have developed an adaptive metalens that is essentially a flat, electronically controlled artificial eye. The adaptive metalens simultaneously controls for three of the major contributors to blurry images: focus, astigmatism, and image shift.https://www.sciencedaily.com/releases/2018/02/180223151903.htm
El secretario de Salud, Lorenzo González Feliciano, confirmó hoy la séptima muerte causada por el Covid-19 en la Isla, lo que aumenta la tasa de letalidad por el virus a siete.