Search Results | light
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How Automotive Warning Lights Work
auto.howstuffworks.com/under-the-hood/vehicle-maintenance/automotive-warning-lights.htm
Automotive warning lights signal a number of problems. Learn more about automotive warning lights at HowStuffWorks.
Can sandpaper light a match?
science.howstuffworks.com/science-vs-myth/everyday-myths/sandpaper-light-match.htm
Matches work by combining flammable chemicals with heat from friction. Learn whether you can light a match with sandpaper in this article.
How Red-light Cameras Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/red-light-camera.htm
The light turns red. You're alone at the intersection. There's not another car in sight. Do you run it? Read this before you answer.
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?
Do anti-aging lights really work?
health.howstuffworks.com/wellness/aging/anti-aging-tips/anti-aging-lights.htm
Do anti-aging lights really work? Visit Discovery Fit & Health to learn about anti-aging lights and if they really work.
The Northern Lights Could Dazzle Mainland U.S. Tonight
science.howstuffworks.com/nature/climate-weather/atmospheric/northern-lights-news.htm
A geomagnetic storm could cause a spectacular aurora borealis Aug. 18 and 19 over parts of the continental United States, as far south as Illinois.
Does reading in dim light really hurt your eyes?
health.howstuffworks.com/human-body/systems/eye/reading-in-dim-light.htm
Does reading in dim light really hurt your eyes? Find out if the old saying is true and see if you can damage your eyes by reading in dim light.
Aberration of Light
science.howstuffworks.com/dictionary/astronomy-terms/aberration-of-light-info.htm
Aberration of Light is a phenomenon in which a star or other celestial body, as viewed from the earth, appears to be slightly displaced from its true position. Learn more.
Head and Tail Light Tetra
animals.howstuffworks.com/pets/head-tail-light-tetra.htm
The Head and Tail Light Tetra, also referred to as the Beaconfish, races around the aquarium autobahn. Find a profile of the Head and Tail Light Tetra.
Who Invented the Light Bulb? It Wasn't Just Edison
science.howstuffworks.com/innovation/famous-inventors/who-invented-light-bulb.htm
The light bulb literally brightened the whole world and Thomas Edison generally gets the credit for inventing it. But did he?