A scuba tank locking device includes a cable lock and a locking plate having a first aperture sized to receive the cable lock and a second aperture having an elongated slot extending therefrom. The icon moves in a vertical direction as the newsfeed is scrolled and displays a post time of a news story when at least a predefined amount of the icon is displayed over the news story. The assembly of the fibers into a network is based on interactions of nucleotide chain portions of different fibers.