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How Light Emitting Diodes (LEDs) Work
electronics.howstuffworks.com/led.htm
Light emitting diodes form numbers on digital clocks, send data from remote controls and illuminate watches - the simple genius of the design makes it infinitely applicable. And now, LEDs are affordable.
How LED Incapacitators Work
science.howstuffworks.com/led-incapacitator.htm
LED incapacitators are non-lethal devices used by law enforcement officials. Learn about LED incapacitators.
How LED Light Bulbs Work
science.howstuffworks.com/environmental/green-tech/sustainable/led-light-bulb.htm
LED light bulbs have taken over the market. But what are their pros and cons?
LCD vs. LED: What's the Difference Between the Displays?
electronics.howstuffworks.com/difference-between-lcd-and-led.htm
Flat screen TVs come in different flavors. Learn about the difference between LCD and LED in this article.
The Women-led March That Changed the Course of the French Revolution
history.howstuffworks.com/historical-events/18th-century-march-french-revolution-led-women.htm
In 1789, thousands of women frustrated by good shortages marched to Versailles with some serious demands for King Louis XIV.
10 Innovations That Led to the Modern Bullet
science.howstuffworks.com/10-bullet-innovations.htm
Firearms get the historical spotlight, but what about the projectiles they hurl at insane speeds? Here are the innovations that gave rise to modern ammunition. Think of it as 10 rounds of ammo info.
Distinctive 'Habsburg Jaw' Came From Centuries of Inbreeding
history.howstuffworks.com/european-history/habsburg-jaw.htm
Many of the kings and queens of the Spanish Habsburg dynasty had a distinctive facial malady known as the Habsburg jaw. What caused it?
Pearl Harbor Attack: What Led to It and What Was the Aftermath?
history.howstuffworks.com/world-war-ii/japan-bombs-pearl-harbor.htm
Japan's bombing of Pearl Harbor was the major event that caused the United States to enter World War II. Learn about the attack only at HowStuffWorks.
A Wisconsin Woman Led a German Resistance That Enraged Hitler
history.howstuffworks.com/historical-figures/mildred-harnack.htm
Mildred Harnack was the only American in the leadership of German resistance to Hitler. And Hitler personally ordered her executed for it.
How Jumbo TV Screens Work
electronics.howstuffworks.com/jumbo-tv.htm
The video screens at sporting events and concerts are almost like your TV -- except that they're GIGANTIC! Learn about the technology that makes these 30-foot displays possible.