DIY (Page 46)

PopSci's curated collection of life skills, tech tips, and hands-on projects we think you'll love.

Latest in DIY

An iPhone with app icons visible.

How to make an iPhone app: part 2

By Dave Prochnow

A person holding a white iPod.

New music from an old iPod

By Laura Silver

A man in blue Popular Science coveralls holding a dumbbell made out of old CDs, pointing at the camera, and yelling.

PopSci 5-Minute Project video: CD dumbbell

By Popular Science Team

Three thin rectangular cork-plugged bottles in a row, the left one nearly full of red vinegar, the middle one half full of yellow vinegar, and the right one about a quarter full of orange vinegar.

Making vinegar at home

By Aki Kamozawa and H. Alexander Talbot

A packet of freeze-dried ice cream with a photo of an astronaut on the packaging.

If it’s good enough for astronauts, it’s good enough for us

By Aki Kamozawa and H. Alexander Talbot

Pectin: not just for jelly

Pectin: not just for jelly

By Aki Kamozawa and H. Alexander Talbot

A DIY pocket theremin.

Build a pocket theremin on the cheap

By Dave Prochnow

A monkey mask on the ground next to a skinned robotic monkey head.

Scare tactics

By Theodore Gray and Paul Wallich

A person wearing white work gloves striking a match on a light brown surface against a blue background.

Making a perfect match

By Theodore Gray

A person purifying silicon in a glass bowl. Top: burning magnesium in a mushroom cloud of white smoke; middle top: burning hydrogen as a flame; middle bottom: burning silane gas as white bursts; bottom: falling silicon particles.

Making silicon from sand

By Theodore Gray

Car H2.0, Where Are You?