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How LED Incapacitators Work

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LED incapacitators are non-lethal devices used by law enforcement officials. Learn about LED incapacitators.

How LED Light Bulbs Work

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LED light bulbs have taken over the market. But what are their pros and cons?

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 LSD Works

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LSD, also sometimes known as acid or Electric Kool-Aid, was the drug of choice for hippies. What made LSD so popular and what are acid trips like?

How Lab-grown Skin Works

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Lab-grown skin can improve the survival odds of someone with a serious third-degree burn. See how lab-grown skin is made and how it works.

How Landfills Work

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What happens to all of that trash you put on the curb every week? It doesn't just disappear into a parallel universe. Much of it probably goes to the local landfill, and how it gets handled there is a very involved system.

How Landmines Work

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Landmines have killed or maimed over 1-million people since 1975. Find out how landmines work and what countries are doing to prevent landmine tragedies.

How Landslides Work

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Landslides can be devastating, causing more damage than their triggers. Learn more about landslides and landslide causes.

How Laser Analysis Works

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Laser analysis is advancing everything from forensics and archaeology to health care and art history. Learn how laser analysis technology works.

How Laser Communication Works

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When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.