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12 Black Inventors and Their Innovations That Shaped the World
science.howstuffworks.com/innovation/inventions/10-inventions-by-african-americans.htm
When asked to name a Black American inventor, many people might think of George Washington Carver and peanut butter. But this is actually a myth. There are hundreds of other unsung Black inventors who have shaped the world with their innovations.
If you were to move all of the matter in the universe into one corner, how much space would it take up?
science.howstuffworks.com/dictionary/astronomy-terms/question221.htm
If you took all of the matter in the universe and you pushed it all into one corner, how much space would it take up? I am trying to understand how much of the universe is 'empty.'
How Lasers Work
science.howstuffworks.com/laser.htm
Lasers are used in dental drills, eye surgery, tattoo removal, and (of course) laser pointers. Learn how different lasers generate such concentrated light.
What is the urban heat island effect?
science.howstuffworks.com/environmental/green-science/urban-heat-island.htm
Cities are often hotter than rural areas because of the urban heat island effect. Learn what an urban heat island is.
That Faint Light in the Night Sky Could Be the Gegenschein
science.howstuffworks.com/gegenschein.htm
The gegenschein, "faint light" in German, occurs under very specific astronomical conditions when the sun reaches the exact opposite of Earth from wherever you're stargazing.
How Blackouts Work
science.howstuffworks.com/environmental/energy/blackout.htm
Blackouts are explained in this article. Learn about blackouts.
Why Is the Sky Blue?
science.howstuffworks.com/nature/climate-weather/atmospheric/sky.htm
We've all probably looked up and wondered why the sky is blue instead of, say, brown. The sky is blue because of the way Earth's atmosphere scatters light from the sun.
How Luminol Works
science.howstuffworks.com/luminol.htm
Have you seen investigators on crime shows who spray some stuff on a "clean" carpet and suddenly -- blood stains! Well, of all the fictional technology on TV, it turns out this stuff is real! Find out how luminol reveals the blood.
How X-rays Work
science.howstuffworks.com/x-ray.htm
X-ray machines seem to do the impossible: They see straight through clothing, flesh and even metal, thanks to some very cool scientific principles at work. Find out how X-ray machines see straight to your bones.
12 Of The Most Mind-Blowing Scientific Theories Ever Conceived
As much as we might like to think that our collective knowledge has unlocked most of the mysteries of the universe, we’ve really only got a hold on a tiny fraction of the knowledge required to fully understand it all—and it’s a weak hold at best. But every once in a while a new theory […] The post 12 Of The Most Mind-Blowing Scientific Theories Ever Conceived appeared first on Goliath.