Unfavorable Semicircle is the name of a series of YouTube channels, similar to the Webdriver Torso. It gathered huge attention due to the unusual videos it publishes.
But unlike the Webdriver Torso, the account that uploaded it was banned by Google.
At its early times, Unfavourable Semicircle posted about one video every 10 minutes. Then it skyrocketed to about three videos every minute. What made the videos a mystery is because they are silent with random digits and were titled with the Sagittarius symbol.
The discussion about the videos first started when a Reddit thread was created for this purpose.
With Reddit started the discussion, blogs and news outlets also started to take notice.
Several of the community members came forward to investigate the channel. One key discovery was that many of the videos contain individual frames that can be assembled into larger pictures. These composites, however, are also mysterious. The audio in the videos used some form of distorted carnival music to barely-comprehensible speech similar to encoded binary audio.
Speculations include: alternate reality game, a video made by highly focused individual, another Web Torso-like test video, an online numbers station, outsider art and others. Unfavorable Semicircle quickly became viral.
Then, on February 25, 2016 the Unfavorable Semicircle YouTube account was suspended by YouTube for Terms of service violations. In overall, about 1247 videos that were posted.
