HowStuffWorks DailyStuff

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• Gadget Savvy: Cell Phones Quiz
• 10 Inventions by Thomas Edison (That You've Never Heard Of)
• Tallest Floorless Roller Coaster in the World
• Is global warming irreversible?
• Can your recyclables build a home?

Gadget Savvy: Cell Phones Quiz Posted: In line at the corner deli, weaving through traffic, right next to you at a movie theater ... cell phones are everywhere. But are they really that different from walkie-talkies? This posting includes an audio/video/photo media file: Download Now

10 Inventions by Thomas Edison (That You've Never Heard Of) Posted: It's common knowledge that Thomas Edison invented the light bulb and the phonograph, but did you know he also developed concrete furniture and a phone to communicate with the dead? This posting includes an audio/video/photo media file: Download Now

Tallest Floorless Roller Coaster in the World Posted: Watch this video about the world's tallest, floorless dive coaster on HowStuffWorks. Busch Gardens Europe's latest steel marvel drops its riders 205 feet, 90 degrees straight down, at speeds as fast as 75 mph. See how this record-breaking new coaster works in this video from MultiVu.

Is global warming irreversible? Posted: A recent U.S. National Park Service report has outlined the various ways climate change is affecting Alaska's landscape, including a decline in wildlife populations and an increased frequency of wildfires. Can the damage be undone?

Can your recyclables build a home? Posted: Recycled and reclaimed materials are becoming popular construction options as people look for greener ways to build. But could building a recycled home be as simple as stacking up the bottles from your recycling bin?

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