Learn some very basic words to get familiar with Greek language for the very first time. You will learn how to say hello, goodbye and similar everyday words.
The good folks at the Delft University of Technology came up with a dragonfly-like winged machine that can fly completely autonomously until the batteries allow.
Facebook caches already shared pages for better performance, but this causes issues because Facebook can still show the older version of the page. Today we will learn how to refresh cache.
