fractals Enjoy this mesmerizing fractal of hands that have hands that have hands Popkin

betamax Watch a deeply trippy and warped Betamax tape David Pescovitz

the brain Interactive site showing how 141 optical illusions work Clive Thompson

zoetrope Trippy zoetropic vinyl disk animates song's lyrics Andrea James

cheap window treatments Cheap window film fills my home with trippy light Jason Weisberger

abstract art Take a relaxing and trippy excursion beyond the horizon Andrea James

web experiments Try this freaky webcam tool to transform your image in weird ways David Pescovitz

motion These boxes aren't rotating. It's an optical illusion. Really. David Pescovitz

swinging London Incredibly groovy TV commercial for "Good Strong Coffee" (1968) David Pescovitz

art nouveau on acid How Art Nouveau influenced the psychedelic art of the '60s Rusty Blazenhoff

trippy Fantastic German psychedelic animation from 1970 by Yellow Submarine's art director David Pescovitz

performing Watch this hypnotic seaside buugeng demonstration Andrea James

bridge This Iowa bridge trail has a remarkable nighttime lighting effect Andrea James

elmo Ethereal song inspired by Eleven from Stranger Things Andrea James

zoetrope Watch this pottery turn into a trippy zoetrope when painted Andrea James

Barnaby Dixon Puppeteer shows off his latest trippy glowing beast Rusty Blazenhoff

trippy Designer makes figures that are simultaneously charming and troubling Andrea James

trippy Trippy and relaxing animated insects move to a hypnotic beat Andrea James

somewhat unsettling Get ready to feel something strange while watching Finger Machines Andrea James

psyechedelia Watch this liquid calligraphy dissolve into trippy patterms Andrea James