video WATCH: Helicone toy transforms from helix to pine cone Andrea James

Science Create cosmic spiral galaxies with dots and plastic sheets Ellsworth Toohey

tea party The world's deadliest teapot Devin Nealy

Rosemary Leary describes her life as a psychedelic pioneer and her decades as a fugitive Mark Frauenfelder

optics Lovely demonstration of the optic part of fiberoptic cable Andrea James

happy mutants Marc Davis in His Own Words: Imagineering the Disney Theme Parks Chris Merritt

toys A collection of self-referential objects Mark Frauenfelder

amusements Neat pocket-amusement — the Magic Sword Mark Frauenfelder

Science Watch this cool demonstration of a vintage carbon arc lamp Andrea James

Desktop probability machine Mark Frauenfelder

Games A puzzle expert shows off some of his favorites Andrea James

Weird The story of Don the talking dog David Pescovitz

disillusionment Post-internet lament Jasmina Tesanovic

Kids The lollipopter puts the helicone to shame Andrea James

puzzles Interesting puzzles from the 2017 toy fair in Nuremberg, Germany Mark Frauenfelder

Science 2016's Illusion of the Year will make you cover your screen with fingerprints Cory Doctorow

pranks Fellow tricked by lung capacity tester Mark Frauenfelder

fun stuff Teapot magically pours tea or milk Mark Frauenfelder

Reflections, 20 years Later, on A Declaration of the Independence of Cyberspace John Perry Barlow

Truck transforms into dog David Pescovitz