10 Sci-fi Gadgets We Wish Actually Existed

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10 Sci-fi Gadgets We Wish Actually Existed How a Theremin Works Quiz: Is your computer secure? TechStuff: The Microsoft Story 10 Sci-fi Gadgets We Wish Actually Existed Science fiction writers have come up with some really clever gadgets, gizmos and vehicles. Here are 10 that we wish we could get our hands on. Future Weapons Zap Thy Neighbor: A Sci-Fi Gadgets Quiz Top 5 Sci-fi Weapons that Might Actually Happen How a Theremin Works Ever wonder about that eerie-sounding music in old sci-fi flicks? Those haunting strains may come from a theremin, an instrument you play without touching. How's that possible? Find out in this article. How It's Made: Musical Instruments How to Play a Theremin How MIDI Works Quiz: Is your computer secure? Computers can make life easier, but they also can put your private information at risk. Find out how much you know -- or don't know -- about computer security by taking our quiz. Computer Viruses 5 Ways to Keep Your Information Secure in the Cloud How to Secure Your Home Network TechStuff: The Microsoft Story How did Microsoft get started? How were Microsoft and Apple closely tied together? How successful was Microsoft's IPO? TechStuff RSS Top 5 Myths About Microsoft Fact or Fiction: Microsoft Quiz   At Discovery, we value your privacy. If you would like to adjust your email preferences, please click this link to our subscription center, where you can manage your account. Please click here to unsubscribe. Discovery Communications, LLC One Discovery Place, Silver Spring, MD 20910