LOCK

♐️LOCK is a video posted to the original UFSC YouTube channel on July 18, 2015.

Description
♐️LOCK  is mostly black with colors occasionally flashing and revealing a single black pixel within each frame. The audio is in stereo with many strange sounds in both channels. At the beginning, the man's voice spells out the word "LOCK".

Frame composite discovery
On April 20, 2016, Reddit user tomasf.se discovered that when each individual frame of the video is combined into an image with a width of 197 pixels, a picture appears. It is currently unknown what the image portrays, but many users have tampered with the image in search of a more clear visual.

Theories and possible explanations
Observations of the  ♐️ LOCK image



Many users have said that the image decoded from the video contains various things. Possibilities mentioned by users include:* a Watch
 * a Skull
 * Text reading "MGM 1900" (also seen as MGK or MCM)
 * Some kind of coin
 * Mushroom cloud from an atomic explosion
 * Hurricane radar image
 * a Galaxy
 * An ultrasound image
 * A hand holding a pokeball

Other possible theories

 * ♐️LOCK is a compilation of individual pixels from other UFSC videos
 * ♐️LOCK is an SSTV broadcast image
 * Result of a computer program attempting to create music
 * ​ ♐️LOCK contains s peaker feedback sounds