If you can't copy files that are bigger than 2 or 4 GB, usually HD movies and such, on to your USB key, it's usually due to the file system the USB key is formatted to.
X-rays are a form of invisible, high-frequency electromagnetic radiation. X-rays are very small and energetic. They are used in different branches of science.
You add a hashtag to your uploaded Instagram pictures but when you click the hashtag your picture doesn't show up there? Yes I know, it's pretty frustrating, but I happen to know how to fix this!
Not so long ago it was believed that humans are the only specie to successfully transmit the knowledge and acquired skills from one generation to another.
