WARNING: Do not watch this video if you suffer from photosensitive epilepsy.
This trippy video from ScienceForum has been tested and approved by Bored Panda staff as a way to experience mild hallucinogenic effects. If you watch the video and follow the instructions, you should experience visual waves and distortions for anywhere from 1-5 minutes. The repetitive patterns in the video create recurring psychological stimulation that continues after the video has stopped. (Source: ScienceForum via: Laughing Squid)