What better way to start a fresh Monday morning than experiencing an acid trip without actually taking acid. This is one of those illusions that makes you see all funny/semi-recreate the effects of acid for a few seconds without the dangers of having a bad trip for 12 hours, cos that’s nasty business.

Stare at the centre of the spiral image below for about a minute, and then quickly look at something near by to get that warping LSD trippy effect.