optical illusions Behold, an impossible portal into another dimension where perception is in the eye of the beholder David Pescovitz

optical illusions Impossible objects, explained David Pescovitz

art Painters have been lying with mirrors for 600 years Ellsworth Toohey

photos The secret world of Victorian microphotography: shrinking images to the size of a pencil tip Popkin

review Review: Triple Aught Design FAST Pack Litespeed Cordura Standard Séamus Bellamy

arizona "Moth effect" may distract drivers in deadly dust storms Jennifer Sandlin

Science The "Hairy Ball" theorem explained Ellsworth Toohey

tech Japan's Extinct Media Museum makes me feel ancient Gail Sherman

science fiction Dyson Trees could make a home for humans—and other things Rob Beschizza

Science Household objects revealed in stunning macro detail Popkin

tourism The weirdest free tourism spots in the U.S. B.R. O'Deal

books Nest, the late 90's mag dedicated to maximalist interiors Natalie Dressed

advertisement 2-Pack: ToughTested Satellite Rugged Bluetooth Speaker Just $24 Mark Frauenfelder

robots Robot uses oversize chopsticks to move boxes around David Pescovitz

math Adam Savage explains an object that shouldn't exist but does (video) David Pescovitz

tabloids The coming alien invasion and a sweet-smelling Kardashian vagina in this week's dubious tabloids Peter Sheridan

ESP Is Precognition Real? Mitch Horowitz

Unusual talents Watch a "balance master" stack objects in seemingly impossible arrangements Mark Frauenfelder

makers Maker jargon and slang for 2021 Gareth Branwyn