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How Audio Controls for Conferencing Work

money.howstuffworks.com/business-communications/audio-controls-for-conferencing.htm

Conference calls can be a real time saver or a real headache. Learn how to do it right at HowStuffWorks.

How did 168 conquistadors take down the Incan empire?

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The Incan empire was erased from existence by fewer than 200 men, but how was this possible? Find out how the Incan empire was brought down.

Ant Activities

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Learn about ant activities for kids to try. Find out more about ant activities for kids.

How Bunker Busters Work

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Bunker busters penetrate deep into fortified bunkers or underground compounds before exploding. Learn about bunker busters and how they're used in combat.

How LRAD Works

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What makes sound a weapon? Review the basics of sound and discover exactly how the LRAD produces its "beam of sound." We'll also explore LRAD's hailing and warning abilities and other uses for sound.

How Dual-clutch Transmissions Work

auto.howstuffworks.com/dual-clutch-transmission.htm

Dual-clutch transmissions offer the best of manual and automatic transmissions and are becoming increasingly popular. Learn about dual-clutch transmissions.

Before the digital camera explosion, flatbed scanners were the way to get images into a PC and online. These devices turn images on paper into data you can access on a computer. Find out how scanners analyze, process and transfer images.