cds

12.04.08

PopSci 5-Minute Project: Cereal-Box Spectrometer

Why recycle when you can reuse? Editor Mike builds a Smurfberry Crunch spectrometer

By PopSci Staff Posted 12.04.2008 at 1:22 pm 0 Comments

Satisfy your scientific curiosity and your breakfast cravings. Editor Mike Haney shows you how to use an old cereal box and a CD to build a device that reveals the hidden rainbow inside any light source. [ Read Full Story ]

READ MORE ABOUT > 5-Minute Projects, cds, DIY, Mike Haney, Video

PopSci 5-Minute Project: CD Dumbbell

Trash those CDs? Never! Let Bjorn and his 5-minute dumbbells pump you up

By PopSci Staff Posted 11.25.2008 at 6:42 pm 0 Comments

The holiday season approacheth, which can only mean one thing: you're about to turn into a bowl of jelly. Luckily, if you've got five minutes handy you can still preserve those guns. Let editor Bjorn Carey show you how in his "very special" 5-Minute Project; after the jump. [ Read Full Story ]

READ MORE ABOUT > 5-Minute Projects, Bjorn Carey, cds, recycle, recycling, Video

speedy Wind Turbine Towers
"To maximize energy output, the tapered towers of the Bahrain World Trade Center funnel wind between them, creating a negative pressure zone behind the buildings that draws more air through the gap."
[Read full story]

speedy A Super-Strong Bridge Beam
"The Hillman Composite Beam weighs one third as much as concrete competitors—saving 20 percent on shipping and installation costs—and can hold 50 percent more weight."
[Read full story]

speedy Transforming Bamboo
"First Yan Xiao tore strips of bamboo from the stalk and arranged them in such a way as to provide the most strength. He then coated the strips with glue and compressed them in a self-built hydraulic press into beams, 33 feet long and up to three feet wide, each capable of supporting eight tons."
[Read full story]

speedy Surf the Web Without a Browser
"Adobe AIR's programming tools let developers create snazzy desktop applications that connect to the Web."

[Read full story]

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Social-network games go to the next level
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You've got the technology in your pocket, so make the most of it
Middleweight Camera Championship
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