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When Was the Radio Invented?
science.howstuffworks.com/innovation/inventions/who-invented-the-radio.htm
Many people consider Guglielmo Marconi the inventor of the radio. After all, he did get the Nobel Prize for it. But others credit Nikola Tesla because the Supreme Court upheld his patent for the invention of radio. So who should get the recognition?
Frequency Formula Basics: 2 Ways to Calculate Frequency
science.howstuffworks.com/math-concepts/frequency-formula.htm
Frequency is a fundamental concept when you're talking about waves, whether that means electromagnetic waves like radio waves and visible light, or mechanical vibrations like sound waves.
Could Humans Force a Volcanic Eruption?
science.howstuffworks.com/nature/natural-disasters/can-humans-force-volcanic-eruption.htm
It's every evil mad scientist's dream. Could it ever be a reality?
How Much Do You Know About Tractors?
play.howstuffworks.com/quiz/how-much-do-you-know-tractors
They're fun, they're useful, and they're not just for the farmland. Tractors can do so much, and there are so many varieties to choose from! In this quiz, we'll test your knowledge of tractors. If you fail, we won't make you plow a field.
The Meaning and Symbolism of the 511 Angel Number
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/511-angel-number.htm
Explore the spiritual meaning of the 511 angel number, a message of new beginnings, personal growth, and aligning your path with positive transformation.
How Dark Matter Works
science.howstuffworks.com/dictionary/astronomy-terms/dark-matter.htm
For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
Micro-lattice Metal: The future of lightweight cars?
auto.howstuffworks.com/fuel-efficiency/vehicles/micro-lattice-metal.htm
Lightweight microlattice metal just might be the future of featherweight cars. Learn more about microlattice metal at HowStuffWorks.
Student-built Car Can Drive 2,713 Miles on a Gallon of Gas
Engineering students have designed, built and demonstrated another round of vehicles capable of achieving astounding fuel efficiency. Learn more at HowStuffWorks.
Twinkle, Twinkle: The Ultimate Stars Quiz
science.howstuffworks.com/stars-quiz.htm
Stars are giant nuclear fusion reactors, and we wouldn't exist without them. Find out how much you know about these twinkling lights with our quiz.
What Kind of Mythical Creature Are You?
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Can we guess what kind of mythical creature you really are? In this quiz, we're going to ask you 30 questions about yourself and how you would be as a mythical creature. If you're curious for more, it's time for you to take this quiz right now!