vision The $1.99 ruler that measures pupillary distance (so you can order eyeglasses online) Rusty Blazenhoff

vision Why does long-term zero-g hurt astronauts' eyes? Mystery solved Andrea James

eyeglasses I can see! Richard Kaufman

Chaos in America, O.J. Simpson framed by cops, and Brad Pitt’s saggy butt, in this week’s dubious tabloids Peter Sheridan

computer technology Why dark backgrounds in videos look awful Mark Frauenfelder

Gadgets While you’re stuck at home, here are a few ways to remain a rock star on the job Boing Boing's Shop

Technology Gorilla, 3, gets treated for cataract (VIDEO) Xeni Jardin

Gadgets These home vision tests offer a clear look at the state of your eyesight Boing Boing's Shop

tips The best way to clean your AirPods Mark Frauenfelder

Science 'You owe it to yourself to experience a total solar eclipse,' says science writer David Baron Rusty Blazenhoff

illumination Illuminated magnifier for $2.51 (including shipping) Mark Frauenfelder

art This LEGO riff on Van Gogh’s famous self-portrait is a great optical illusion Caroline Siede

picks John Glenn, the first American to orbit Earth, hospitalized in declining health at 95 Xeni Jardin

books A luscious tome of family stories and previously unseen photos to celebrate Frank Sinatra's 100th birthday Wink

corruption There's a secret "black site" in New York where terrorism suspects are tortured for years at a time Cory Doctorow

color Color-matching game tests your eyesight Rob Beschizza

children Little baby girl with weak eyesight sees through prescription glasses for the first time Xeni Jardin