Search Results | led
Your search for "led" returned 3,329 results
How Light Emitting Diodes (LEDs) Work
electronics.howstuffworks.com/led.htm
Light emitting diodes form the numbers on digital clocks, send data from remote controls and light up traffic signals. Find out how LEDs work.
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, a march to demand King Louis XIV provide food to the French grew into a pivotal protest. Learn more at HowStuffWorks.
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.
Why are they replacing all of the traffic lights in my town?
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/question178.htm
In my town, they are replacing all of the traffic lights with these new lights that look like they are made of hundreds of tiny bulbs. Why are they replacing all of the lights?
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.
How Centuries of Inbreeding Led to the Distinctive 'Habsburg Jaw'
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.