In that moment, all of humanity was captured in a ghostly fragment of a pixel swimming through an unrelenting sea of darkness — a "Pale Blue Dot" lost in a void. Carl Sagan — the astronomer ...

He wanted to try the safety features out for himself. Interestingly, the purple dot that turns into a very concentrated blue dye is not soluble in isopropyl alcohol at all. I sprayed a little on ...

If you’ve texted on your Android phone, you may have noticed that some contacts have a small blue dot or a chat bubble on the bottom right of their profile picture. RCS messaging also likely ...