Dec. 7, 2019, 6:40 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.
Ahora si,tengo mi nuevo tablet.Le falta el precio del envio de retorno del otro de marca Acer,mas o menos 25$,en las politicas de retorno decian que si es defectivo,te lo devuelven.
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
