SCORKL may not contain any groundbreaking technology, but its clever design enables divers to stay underwater for an extended period of time. Simply fill it with air by attaching it to a high pressure hand pump, or your more standard scuba tank. When full, it offers up to 10-minutes of diving time. A breathe-on-demand balanced single stage regulator essentially makes it plug-and-play, without any complicated steps to get going. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one showing why every airport runway has two numbers.