Press Windows+i to open the Settings app, then navigate to Personalization > Background. Alternatively, you can right-click ...

Well, now that the taskbar is right in the center, there is a lot of empty space left. I really don’t mind keeping it that way, but if you want to use this empty space, you sure can. You can ...

An atom is mostly empty space, but empty space is mostly not empty. The reason it looks empty is because electrons and photons don't interact with the stuff that is there, quark and gluon field ...